Answer:
The Highlands are older as evidenced by their crater density.
Explanation:
The true statement regarding the moon is true the Highlands are older as evidenced by their high crater density.
The moon is simply known as anatural satellite that revolves around a planet. It's rotation is about 27.3 daysThe statement above is true because in the moon, there is no erosion and as such the moon will still have high in crater density and therefore the older, the more it get.Conclusively we can therefore say that the true statement regarding the moon is true The Highlands are older as evidenced by their high crater density."
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Which of the following statements is true? The spongy layer doesn't have any chlorophyll. The epidermis is the main location for photosynthesis. The cuticle slows down the loss of water in a leaf. Plants can make food without chlorophyll. PLEASE HELP
Answer: the cuticle slows down the rate of water loss.
Explanation: the spongy layer contains chlorophyll although few. Photosynthesis occurs in the chloroplast.
Plants need chlorophyll because it captures sunlight which helps in the splitting of water molecule during photosynthesis ,thus they need it to manufacture their food.
3 weeks late :')
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the dude above me is right <3
The table shows data about abiotic factors of streams in two different watersheds.
In general, a stream with a lower temperature and more neutral pH tends to be healthier. Based on these
criteria, which watershed contains the healthier stream?
Select one:
Watershed 2
Both streams are equally healthy.
There is not enough data provided to answer the question.
Watershed 1
Answer: b
Explanation:
Based on these criteria, the watershed that contains the healthier stream is, that both streams are equally healthy. The correct option is B.
What are abiotic factors?An abiotic factor is a non-living component of an ecosystem that influences its surroundings. Temperature, light, and water are all components of the terrestrial environment.
Abiotic elements in a marine ecosystem include salinity and ocean currents. Abiotic and biotic forces interact to form a distinct ecosystem. Abiotic influences are found in all non-living components of an ecosystem.
They are often made up of both physical and chemical components. Abiotic factors are nonliving components of an ecosystem that influence the environment. Temperature, light, and water are among the examples. Abiotic elements in a marine ecosystem include salinity and ocean currents.
Therefore, the correct option is B. Both streams are equally healthy.
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Cells from a squirrel are considered eukaryotic and bacteria cells are prokaryotic because -
Answer:
D
Explanation:
Prokaryotic cells have no nucleus, eukaryotic cells do. A squirrel is eukaryotic, therefore it’s genetic material will be stored in the nucleus.
Cells from a squirrel are considered eukaryotic and bacteria cells are prokaryotic because squirrel cells are eukaryotic.
What are eukaryotic cells?Animal cells are eukaryotic cells which have each a membrane-sure nucleus and different membrane-sure organelles. These organelles perform particular capabilities which are wished for the everyday functioning of the cell. Plant and animal cells are comparable in that they're each eukaryotic and feature comparable sorts of organelles.
The nucleus is mainly crucial amongst eukaryotic organelles due to the fact it's miles the place of a cell's DNA so option d is correct.
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explain how the hydrosphere and atmosphere are related.
Answer:
Water circulates in a cycle across the hydrosphere. Clouds gather water, which then falls to Earth as rain or snow. Rivers, lakes, and seas store this water. Then it evaporates back into the atmosphere, restarting the loop.
Explanation:
Answer:
The hydrosphere is the part of Earth were all the water is contained.
The atmosphere is the part of Earth were all the gases are contained.
These two are related because the hydrosphere is inside the atmosphere.
The hydrosphere goes down below sea level, because of several trenches and other holes like the Mariana trench. The hydrosphere also goes around 20 kilometres in the air because of clouds.
How did Siberian ancestors arrive in America?
Answer:
The prevailing theory proposes that people migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the Last Glacial Period, and then spread southward throughout the Americas over subsequent generations.
Explanation:
hope this helps
Answer:
Explanation:The Beringia land bridge, which had developed between northeastern Siberia and western Alaska due to the lowering of sea level during the Last Glacial Maximum, is generally recognized as the point at which Paleolithic hunter-gatherers reached North America from the North Asian Mammoth steppe.
A person who has a weakened immune system may not be able to fight against infection because
pathogens may enter the body and cause illness.
phagocytes may enter the body and cause illness.
normal cells crowd out unhealthy cells.
antibodies production is increased.
Answer:
a.
Explanation:
pathogens may enter the body and cause illness.
Immune system is the one that helps to keep away the invading organisms in the body causing disease. A person who has a weakened immune system will not be able to overcome against infection because pathogens may enter the body and cause illness, i.e., option A.
What are pathogens?Pathogens are the organisms or specifically disease-causing organisms that enter the body and alter the functioning of the immune system.
These pathogens can be bacteria, viruses, etc. that can enter through food, water, air, etc.
A weakened immune system can not be able to fight with these invading pathogens and hence leads to diseases.
Thus, the correct answer is A.
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Which two characteristics describe the most stable ecosystem on Earth?
a. They are near the poles
b they are near the equator.
c. They have high biodiversity
d they have few seed plants
Answer:
They have high biodiversity
High at the equator
Explanation:
This is because a stable ecosystem is the one that occur at equilibrium and have the ability to resist any form of resilience or disturbance and still grow fast. A stable ecosystem have high biodiversity because that are comprises of different plants and animals that are able to live and survive. Species diversity are more at the equator than at than at the poles.
Plants and insects store their sugar in the form of
Plants and insects store their sugar in form of starch.
What happens to a human egg that is NOT fertilized?
a.) It leaves the body.
b.) It returns to the ovary.
c.) It remains in the Fallopian tube.
d.) It implants in the uterus.
Answer:
It leaves the body . That what brings about monthly cycle in a female
Help me please omggggg help meee
Answer: straight line. Once it hits an object, then it bends.
Hope that helped!
Answer:
im pretty sure its a
Explanation:
Which animal is strongest physically. (not compared to their size)
Answer:
A dung beetle is not only the world's strongest insect but also the strongest animal on the planet compared to body weight. They can pull 1,141 times their own body weight.
Interconnected food chains are also known as
Answer:
I think it is food web............
Why does the control of blood sugar by insulin show negative feedback?
Select one:
The release of insulin causes sugar levels to increase even more.
Sugar lowers the levels of insulin back to the normal levels.
The release of insulin brings the sugar levels back to normal.
Insulin mixes with the sugar to prevent it from damaging the cells.
Answer:
The control of blood sugar (glucose) by insulin is a good example of a negative feedback mechanism. When blood sugar rises, receptors in the body sense a change. In turn, the control center (pancreas) secretes insulin into the blood effectively lowering blood sugar levels.
Explanation:
have an good day
An organism that can make its own food and is composed of many cells that each contain a nucleus belongs to which kingdom?
1. Plantae
2. Animalia
3. Fungi
4. Bacteria
1.plantae
Explanation:
hope it helps
Plantae organism that can make its own food and is composed of many cells that each contain a nucleus belongs to which kingdom.
What is Plantae?Apart than some of the earliest cousins of algae, the class Plantae comprises multicellular creatures. They are eukaryotes, which means they have membrane-bound cellular organelles and a nucleus. Around the cell, there is a cellulose-containing cell wall.
Typically, a mature plant has a single, big central vacuole that is bound by a tonoplast (membrane). The reserve food for plants is starch and lipids (oil/fat).
All plants have cells, which contain plastids, double membrane-covered cell organelles. Photosynthetic pigments are present in several plastids (chlorophylls).
Therefore, Plantae organism that can make its own food and is composed of many cells that each contain a nucleus belongs to which kingdom.
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How does hypnotism work
Answer:
During hypnosis, the scientists found, a region of the brain called the dorsal anterior cingulate cortex became less active. Studies have found that that region helps people stay vigilant about their external environment. ... The activity in their dorsal anterior cingulate cortex may account for that behavior, too.
how many molecules are there in 4.00 moles of glucose n2o3
Answer:
2.41 × 10^24 molecules
Explanation:
To calculate the number of molecules of a substance (nA), we multiply the number of moles of such substance (n) by Avagadro's number or constant, which is 6.02 × 10^23.
That is; nA = n × 6.02 × 10^23.
In this question, 4 moles of glucose were given. The number of molecules in 4 moles of glucose is as follows:
nA = 4 × 6.02 × 10^23
nA = 24.08 × 10^23
nA = 2.41 × 10^24 molecules.
what do you think life is like on other planets ? 3-5 sentences
Answer:
Both plants and animals require water for survival. Planet Earth is very special because it contains so much water in liquid form. We have yet to find a planet with the same amount of liquid water as on earth but there are many new “exoplanets” being discovered orbiting other stars that offer this possibility
Explanation:
and aliens
After reading the paragraph for Practice 5, what are the possible risks and drawbacks of this use of genetic engineering?
Answer:
Genetic contamination, competition with natural species, creating potential for problematic pathogens, unwanted side effects and unfavorable level of diversity.
Explanation:
The possible risks and drawbacks of the use of genetic engineering are genetic contamination, competition with natural species, creating potential for problematic pathogens, unwanted side effects and unfavorable level of diversity. These drawbacks puts pressure on the native species and due to competition with natural species, removal of natural species occurs. There are many side effects of genetic engineering species on the health and ecosystem.
Use the gel electrophoresis results below to determine which person (if any) is the father of the child.
Mother
Child
'Dad'1
"Dad 2
Dad 3
Dad 1
Dad 2
Dad 3
None of the men are the father
The gel electrophoresis shows the result of the child's DNA, the mother's DNA, and the three paternal DNAs, and out of them, one is the father. As the child's DNA matches that of the mother and dad 3,
What is the paternity test?
The paternity test is done to test the real father of the child by comparing the child's DNA with the parents' DNA. It gives the result based on the DNA analysis, and here the test is shown in the gel electrophoresis. Gel electrophoresis shows the DNA segments of the child, mother, and three men, but the child DNA segments match the DNA segment of the dad 3. The child's DNA segments match with the mother, and the rest match with Dad 3, confirming that Dad 3 is the child's biological father.
Hence, out of them, one is the father, and the child's DNA matches that of the mother and Dad 3.
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Cells with limited potential to develop into any type of cells are called
Please Drag the correct moon phase name to its correct location
Answer:
The correct answer is -
1. First Quarter Moon, 2. Waxing Gibbous Moon, 3. Full Moon, 4. Waning Gibbous Moon, 5. Third Quarter Moon, 6. Waning Crescent.
Explanation:
The lunar cycle goes through eight different phases during the time period of 29.53 days while revolving around the earth. These phases move from new moon to full moon and then full moon to again new moon. The four major phases are New moon phase, the first quarter phase, the full moon, and the third or last quarter phase.
In this diagram, there are 1. First Quarter Moon, 2. Waxing Gibbous Moon, 3. Full Moon, 4. Waning Gibbous Moon, 5. Third Quarter Moon, 6. Waning Crescent. in order occurs.
Match the pathway of the carbon cycle
Bases in DNA are held together by which bond?
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation: hydrogen bonds
Which two body systems would defend a person from a fire?
A) integumentary and nervous
B) muscular and endocrine
C) immune and integumentary
D) nervous and cardiovascular
Two radioactive nuclei A and B are present in equal numbers to begin with. Three days later, there are 2.44 times as many A nuclei as there are B nuclei. The half-life of species B is 1.14 days. Find the half-life of species A (in days).
Answer:
2.23 days
Explanation:
Given that;
N=Noe^-kt
Where;
N= number of radioactive nuclei present at time =t
No= number of radioactive nuclei originally present
k = decay constant
t = time taken
But k = ln2/T
Where T is the half life of the radioactive nuclei
Hence;
NA= Noe^-ln2t/TA (1)
NB= Noe^-ln2t/TB (2)
But NA =2.44NB
2.44NB = Noe^-ln2t/TA (3)
NB= Noe^-ln2t/TB (4)
Divide (3) by (4)
2.44NB/NB = Noe^-ln2t/TA/Noe^-ln2t/TB
2.44 = e^-ln2t/TA + ln2t/TB
Taking natural logarithm of both sides
ln2.44 = -ln2t/TA + ln2t/TB
Given that TB = 1.14 days
TA= -ln2t(ln2.44 -ln2t/TB )^-1
TA= -(2.079) (0.892 - 2.079/1.14)^-1
TA = 2.23 days
Help me please!!!!!!!
Answer:
Decay adds carbon to the atmosphere.
What happens to a rock when it is exposed to water for long periods of time?
1)the rock becomes more angular
2)the rock changes composition
3)the rock becomes round and smooth
Which country is heavily dependent on tourism for its livelihood?
А.
United States
В.
China
C. Dubai
D.
Peru
E. Japan
Answer: В.
China
Explanation:
Which correctly describes a difference between the male and female
reproductive systems?
O A. Males store gametes in the ovary.
B. Females produce fewer gametes.
C. Females produce gametes every day.
D. Males receive gametes from females.
Answer:
B . Females produce fewer gametes.
Explanation:
The option that correctly describes a difference between the male and female reproductive systems is B. Females produce fewer gametes.
What is a reproductive system?The reproductive system is a collection of organs and tissues that work together to produce, transport, and fertilize gametes (sperm in males and eggs in females) to facilitate reproduction. In males, the reproductive system includes the testes, epididymis, vas deferens, seminal vesicles, prostate gland, and urethra.
Sperm are produced in the testes, mature and are stored in the epididymis, and then transported through the vas deferens and mixed with seminal fluid produced by the seminal vesicles and prostate gland before being ejaculated through the urethra during sexual intercourse. In females, the reproductive system includes the ovaries, fallopian tubes, uterus, cervix, and vagina.
Eggs are produced in the ovaries and are transported through the fallopian tubes, where fertilization can occur. The fertilized egg then implants in the uterus, where it can develop into a fetus. Hormones, such as estrogen and testosterone, play important roles in regulating the reproductive system and maintaining sexual characteristics.
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Which of the following steps should be taken to
treat a patient suspected of going into shock?
Check all that apply.
Cover the patient with a blanket.
Provide food and water to the patient.
Have the patient get up and walk around.
Monitor heart rate and breathing every five
minutes
Answer:
The answer is the last one, "Monitor heart rate and breathing every five minutes".
Explanation:
Because it can determine when the patient will be going into shock.
The steps that should be taken to treat a patient suspected of going into shock are: Cover the patient with a blanket and monitor heart rate and breathing every five minutes.
Covering the patient with a blanket helps maintain their body temperature, as shock can lead to a drop in body temperature due to poor blood circulation and reduced oxygen supply to tissues. This simple measure can help prevent hypothermia and provide comfort to the patient during emergency care. Monitoring the patient's heart rate and breathing every five minutes is essential to assess their condition and detect any signs of deterioration.
Shock can lead to rapid and weak pulse, as well as shallow and irregular breathing. Regularly monitoring these vital signs allows medical professionals to identify early signs of worsening shock or other critical changes in the patient's condition. Prompt recognition of these changes can lead to timely intervention and improved outcomes for the patient.
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