when a sediment is transported down a mountain and along a stream, we are seeing the conversation of
Answer:
The options are
A. density B.volume C. area D.matter
The answer is Matter
Explanation:
When a sediment is transported down a mountain and along a stream, we are seeing the conversation of Matter.
The sediments transport substances which have a mass and they occupy different positions and volumes. This is the main reason why the answer is known as Matter.
What are the organisms that breakdown dead organisms called
Answer:
Decomposers
Explanation:
hope it helps
Answer: The answer is decomposers.
Explanation:
Use your knowledge of relationships in a food chain, describe how a cow gets the energy it needs to survive YOU MUST USE THE WORDS sunlight, photosynthesis, producer and consumer in your answer
Answer:
All energy on Earth originally comes from the Sun. Plants use sunlight in a process called photosynthesis, to make their own food and provide energy. This is why plants are producers, because they make their own food. Cows eat plants, namely grass. So, when the cow eats the grass, the energy from the grass transfers to the cow. This is why cows are consumers, because instead of making their own food, cows, like humans, must consume their food to survive.
If plants in a population seriously decreased, how would the animals in that population be affected? EXPLAIN
Answer:
because a lot of animals eat plants, so a lot of animals will die off/ or move to a place with lots of plants.
Explanation:
most animals live off eating plants.
Please help!!!!!!!!!
Answer:
Explanation:
enzymes i think
Answer:
B
Explanation:
enzymes
Cells regulate chemical reactions through the use of proteins called enzymes, which are biological catalysts that help overcome activation
Most desert streams are depleted before reaching the ocean due to _____.
Answer:
evaporation and soil infiltration
Explanation:
The element phosporus is located to the right of the element magnesium along the same period in the periodic table.
Which best describes the relationship of the elements ?
A. Magnesium has a larger atomic number
Answer: B. Phosphorus has a larger atomic mass.
C. Magnesium is in the same category as phosphorus
D. Phosphorus has similar chemical properties as magnesium
Answer:
b
Explanation:
The relationship which describes the best of the element"B. Phosphorus has a larger atomic mass."The correct option is B.
Atomic mass:
Atomic mass refers to the combined mass of protons, neutrons, and electrons in an atom.
The periodic table arranges elements in order of increasing atomic number, which corresponds to the number of protons in an atom's nucleus.
Elements in the same period (horizontal row) have the same number of electron shells, while elements in the same group or column have similar chemical properties.Phosphorus is located to the right of magnesium along the same period, indicating that it has a larger atomic number (more protons) than magnesium.Phosphorus has a larger atomic mass, while magnesium has a smaller atomic mass compared to phosphorus.Therefore, the correct option is B.
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Which two processes allow water to enter the atmosphere?
evaporation and transpiration
precipitation and condensation
condensation and evaporation
transpiration and precipitation
Answer:
its c) condensation and evaporation
Explanation:
Evaporation and transpiration are the two processes that allow water to enter the atmosphere. The correct option is A.
What is transpiration?Transpiration is the method by which water vapor is lost via the stomata of plants. When the weather is very hot, the plant's loss of water vapor cools it down, and water from the stem and roots moves upwards or is started to pull into the leaves.
The direct impact of transpiration is that it regulates plant temperature and provides water for photosynthesis. It also transports nutrients and sugars through the plant's vascular tissues.
Evaporation is a way of vaporization that occurs on the surface of a liquid as it transitions from the liquid phase to the gas phase.
Both of these process aids to enter water into the atmosphere.
Thus, the correct option is A.
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Differentiate external and internal environment factors in influencing Gene expression
Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
PLEASE ANSWER ASAP!!!! 15 PTS The subunits of nucleic acids are A. nucleotides. B. oils. C. sugars. D. amino acids.
Answer:
A. Nucleotides
Explanation:
Nucleic acids are composed of smaller subunits called nucleotides. A nucleotide is a nucleoside with one or more phosphoryl group by esterlinkage. When it is in the form of RNA the bases are called adenylate, guanylate, cytidylate, and uridylate.
Which of these is a compound?
Answer:
NaCl
Explanation:
It's a compound.
Answer:
NaCl
Explanation:
because it is more than one element.
The heart is an example of which level of organization within an organism
Answer:
The correct answer is - organ level organization.
Explanation:
The heart is made up of various types of tissues that include muscle tissue, nerve tissue, and blood tissue. All these types of tissues are organized to form the organ level organization which makes the heart is an organ.
Tissues are made up of cells and organs are made up of tissues and various organs combine together to do a specific function, this is an example of an organ system.
Thus, the correct answer is - organ level organization.
Explain (in one or two lines) the function of the followings:
(a) Promoter
(b) tRNA
(c) Exons
Answer:
In genetics, a promoter is a sequence of DNA to which proteins bind that initiate transcription of a single RNA from the DNA downstream of it. This RNA may encode a protein, or can have a function in and of itself, such as tRNA, mRNA, or rRNA. Transfer ribonucleic acid (tRNA) is a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein. tRNAs function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule. Proteins are built from smaller units called. An exon is the portion of a gene that codes for amino acids. In the cells of plants and animals, most gene sequences are broken up by one or more DNA sequences called introns.
SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Flower Power fertilizer to see if it will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. The places one plant in a sunny window and waters it every day giving it fertilizer each day. He places the other plant on a shelf in a closet and waters it every day but does not give it any fertilizer. The plant in the sunny window ended up producing many more flowers than did the plant in the closet. Should SpongeBob conclude that giving Flower Power fertilizer to plants will cause the plant to produce more flowers
Answer:
No
Explanation:
It would be wrong for SpongeBob to conclude that giving flower power fertilizer helps the plant to produce more flowers based on the experimental design.
There are fundamental flaws in the experimental design that could make the conclusion to be wrong:
The two plants were not subjected to the same conditionsThe sample size is too smallIn order to investigate if the flower power fertilizer has the capacity to help the plant to produce more flowers, the two plants used should have been subjected to the same conditions barring only the fertilization application. Whatever difference that is observed in the number of flowers produced can then be attributed to the fertilizer.
Also, the number of plants for each group (with and without fertilizer) is too small to arrive at a reliable conclusion. In scientific investigations, replicating measurements increases the statistical power of the resulting data and raises the reliability of the conclusion.
2. Which nonscience career uses knowledge from the sclence of chemistry? O firefighter O social worker O bank teller O accountant
Breaks down dead matter that can then be recycled through the ecosystem.
Answer: Decomposers
Explanation:
Decomposers are organisms that consume dead organisms and other organic waste. They recycle materials from the dead organisms and waste back into the ecosystem. ... The remains of dead plants are consumed by organisms called detritivores.
Given what you know about cellular organelles, what problems do you predict a cell would have if it had a defect in a lysosomal enzyme
Answer:
Cells without lysosomal enzymes will not be able to digest food and these will lead to accumulation of wastes in the cells, leading to cancerous growth and the cells will not be able to live long.
Explanation:
Lysosomes is a membrane bound organelles found in eukaryotic cells that produce lysosomal enzymes which help to breakdown or engulfs biomolecules like proteins, carbohydrates, nucleic acids, lipids it engulfs in the cells to molecules it will easily be absorbed.
Without these enzymes or defect in these enzymes, biomolecules will not be broken down and it's resultant effect is accumulation of wastes which can lead to cells destruction.
Who is known as the "father of modern chemistry" because he first organized all known elements into four different groups?
A. Johann Wolfgang Döbereiner
B. Antoine Lavoisier
C. Dmitri Mendeleev
D. Henry Moseley
Answer:
The answer is D, Henry Moseley.
Explanation: I took the quiz and scored 100%, so I'm certain this is accurate.
Answer:
Henry Moseley
Explanation:
In biological molecules, carbon,nitrogen, oxygen often form covalent bonds with hydrogen.Arrange these Bonds from most polar to least polar: C-H, N-H,O-H
Answer:
The order of polarity from most polar to least polar is as follows:
O-H > N-H > C-H
Explanation:
The polarity of a substance is a function of the charges of the ionic elements that makes up the substance. A bond between two ions is considered polar if it is between a negatively charged and positively charged ions. Hence, the stronger the charges of the ions in the bond, the more the polarity.
In this question, hydrogen is said to form covalent bonds with carbon, oxygen and nitrogen in biological molecules. However, the covalent bonds formed will not possess the same degree of polarity.
The bond between oxygen and hydrogen (O-H) is considered most polar amongst these three because OXYGEN atom is the most electronegative among the three ions. Hence, it will pull more electrons to itself and make the hydrogen ion more electropositive. This is followed by the bond between nitrogen and hydrogen (N-H) because nitrogen is more electronegative than carbon. The least polar is the bond between carbon and hydrogen as carbon is the least electronegative, hence, will not be able to pull electrons from hydrogen effectively.
The order from most polar to least polar is: O-H > N-H > C-H
About how big is an atom?
Select one:
a. one tenth of a meter
b. one ten millionith of a millimeter
c. one hundreth of a meter
I Am Pretty Sure The Answer Is "B"
Hope This Help's
Answer:
b
Explanation:
1. Which structure is not part of the endomembrane system?
(A) nuclear envelope
(C) Golgi apparatus
(B) chloroplast
(D) plasma membrane
The structure that is not a part of endomembrane system is chloroplast. The correct option is B.
What is endomembrane system?The endomembrane system is a membranous component system. The membranes of the nucleus, the endoplasmic reticulum, the Golgi apparatus, lysosomes, endosomes, vesicles, and the plasma membrane are all part of it. It doesn't include mitochondrial chloroplast membranes.
The endomembrane system is a network of membranes in the cell that serve to reconfigure, transfer, and bundle proteins and lipids.
The endomembrane system is a collection of eukaryotic biological membranes and organelles that work with each other to modify, package, and transport lipids and proteins.
Thus, the correct option is B.
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can two organisms occupy the same niche in a community? why or why not?
Answer:
no
Explanation:
two organisms cannot occupy the same niche or else they would compete for the role :)
what would happen if organisms did not have enzymes?
during a rainy spring, where are you most likely to find surface runoff
Answer:
there is only one surface in which we can run off in rainy season and that is room
Explanation:
steffie matt
Answer:
On a sloped parking lot
Explanation:
Surface runoff can be referred as the flow of water, that occurs when the excess water flows from the storm water, melt water, flood, rain streams and rain fall. The fast moving water current takes along with it superficial layers like surface and sub- surface layers of soil. Hence, causes water erosion of soil. The slope parking lot will favor, surface runoff more likely than in a grassy prairie, mulched flower bed, or in a sand pit because the slope will provide a surface for free flow of water. There are chances that water gets absorbed by the soil in the grassy prairie, mulched flower bed and sand pit. Whereas the slopy surface of parking lot will not allow the water retention by soil, instead will accelerate the flow of water.
(Hopes this helps!)
Which of the following is not true of eukaryotic cells?
( WILL REWARD BRAINLIEST )
A. Eukaryotic cells have a nucleus to hold, protect, and organize the genetic material
B. Eukaryotic cells are considered very primitive and basic
C. Eukaryotic cells can be unicellular and multicellular
D. Eukaryotic cells can reproduce easily
Answer:
C) Eikaryotic cells can be unicellular and multicellular
Answer:
B. Eukaryotic cells are considered very primitive and basic
Explanation:
Prokaryotic cell is considered to he more primitive than eukarya
How many trophic levels are there in the following food chain?
Grass - Grasshopper - Frog - Snake
Answer: Four
Fun Fact - Locusts are actually species of short-horned grasshoppers, they often gather in large swarms and can destroy entire fields of crops, because a single grasshopper can eat half its body weight in plants per day.
There are four trophic levels in the given food chain, i.e., producer, primary consumer, secondary consumer, and tertiary consumer.
What is a food chain?A food chain is a network of connections in a food web that begins with producer organisms and ends with a predator, detritivore, or decomposer species.
In the given food chain, grass is produces, grasshopper is primary consumer, frog is secondary consumer, while snake is tertiary consumer.
Thus, there are four trophic levels in the given food chain.
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b. In 1979, the estimated elephant population was 1.3 million and in 2007 it was 640,000. By approximately what percentage did the elephant population decline over this time period? (Show your work.) How does this compare to the change in range over this same time period?
Answer:
The initial amount, 1.3 million = 1,300,000 is the 100%.
now, 640,000 is a given percentage (lower than 100%) of that.
How we can find it?
suppose that 640,000 represents an x%.
Then we have that the quotient between the actual quantities and the percentages must be the same
(640,000/1,300,000) = x%/100%
x% = (640,000/1,300,000)*100% = 49.23%
Then the percentage declined is:
100% - 49.23% = 50.77%
The other question can not be answered with the given information.
In order to calculate the percentage decline over the period of time between 1979 and 2007, the general formula for percentage change will be applied. This is as follows:
[tex]\frac{B-A}{A} \times 100[/tex]
where:
A = final value
B = initial value
In this problem:
A = Initial population = 1,300,000
B = Final population = 640,000
Applying this formula to the problem, the percentage change in population between 1979 and 2007 is as follows:
[tex]\frac{B-A}{A} \times 100\\\\\frac{640,000 - 1,300,000}{640,000} \times 100 \\\\\frac{-660,000}{1,300,000} \times 100\\\\= \frac{-66,000,000}{1,300,000} \\\\= -50.769 \%\\= 50.77\% \\Note\ that\ the\ minus\ sign\ denotes\ a\ decline.[/tex]
B: The change in range over this period of time is the difference between the final population and the initial populations, which is calcalated thus:
B - A (as explained above)
= 640,000 - 1,300,000 = - 660,000 (the minus sign still shows a decline)
While the percentage shows a "relative change" in terms of percentage, the change in range shows an absolute or actual change.
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In a paragraph answer, what is the environmental impact of local foods?
Answer:
The environmental impact of a food is the effect that the entire production chain has. From the primary, continuing with the stages of transformation, distribution, use and final disposal. This can translate into: * Global warming
not sure need help
Answer:
D. Organic Matter is the correct answer
Which is NOT a prokaryote?
( WILL REWARD BRAINLIEST)
A. Archaebacteria
B. Fungi
C. Halophiles
D. Eubacteria
Answer:
B, fungi!
Explanation:
Fungi is a eukaryote.
Answer:
Fungi
Explanation:
Because it's eukaryote contain true nucleus.