One of the benefits is that we can control where the water flows which allows us to make more structures around the world. However, when we make dams, the water cannot create natural levees and that is bad because natural levees are supposed to break so that it can spread soil from upriver, which protects the land around it. One example of this is the Mississippi river, which does not make natural levees that would protect the mouth of the river or the Gulf of Mexico. That means that the coast would be more subject to damage by hurricanes.
Hope this helps and have a nice day.
-R3TR0 Z3R0
Explanation:
pros : it can help generate electricity
water is keep safety if there was a drought
provides alternative ways for clean water
reliable
cons: can damage the animals habitat
can disrupt the views
expensive to build and maintain
may be unable to keep up with the government demands
What are some similarities and differences between the two broad categories of cells
Answer:
Prokaryotes Vs. Eukaryotes
- Prokaryotes have a nucleoid, eukaryotes have a nucleus
- Prokaryotes do not have membrane bound organelles, eukaryotes do have membrane bound organelles
- Prokaryotes have a cell membrane, and so do eukaryotes
- Prokaryotes have ribosomes, and so do eukaryotes
Help!! it’s for a test!!
Identify the boundary separating watersheds?
A. Drainage basin
B.Valley
C. Plateau
D. Divide
Which organelle is responsible for translating mRNA into a protein?
1. mitochondria
2. nucleus
3. ribosome
4. golgi apparatus
Answer:
3
Explanation:
ribosome
message is sent from nucleus to the ribosome
How is a polar molecule different from a nonpolar molecule?
A.polar molecules have charges separated like poles of a magnet.
B. Polar molecules have charges evenly distributed across their poles.
C. Polar molecules are attracted to the lipids of the phospholipids of the plasma membrane.
D. Polar molecules are always larger than nonpolar molecules.
Answer: I think its b
Explanation:
if not a
A polar molecule is different from a nonpolar molecule in the fact that a polar molecule has charges separated like the poles of a magnet. Thus, the correct option for this question is A.
What is a Polar molecule?A polar molecule may be defined as a type of molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. For example, water is an example of a polar molecule.
Being a polar molecule, water is separated by a positively charged hydrogen atom and a negatively charged oxygen atom. Polar molecules are asymmetric in nature and significantly contain lone pairs of electrons on a central atom or atoms with different electronegativities bonded together.
Non-polar molecules are symmetric with no unshared electrons. These molecules have resulted from an unequal distribution of electron density.
Therefore, polar molecules have charges separated like the poles of a magnet. Thus, the correct option for this question is A.
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Which statement best describes cellular respiration?
Cellular respiration is a process that produces ATP from NADP
Cellular respiration is a process by which all organisms convert sugar into kinetic
energy
Cellular respiration is identical to photosynthesis
The products and reactants of cellular respiration are the same
What r the types of allergy??????
Answer:
of Allergies
Drug Allergy.
Food Allergy.
Insect Allergy.
Latex Allergy.
Mold Allergy.
Pet Allergy.
Pollen Allergy.
Explanation:
Answer:
food, flowers, touch, dirt etc/
Explanation:
Sexual and asexual reproduction allow for transfer of genetic material to offspring. Which
of the following is true regarding how asexual reproduction differs from sexual
reproduction?
1.Asexual reproduction is for changing environments, sexual reproduction is for stable
environments
2.Asexual reproduction produces genetically identical offspring; sexual reproduction
produces genetically different offspring.
3.Meiosis is a form of asexual reproduction; mitosis is a form of sexual reproduction
4.Asexual reproduction is for plants; sexual reproduction is for animals,
answer: asexual reproduction produces genetically identical offspring; sexual reproduction produces genetically different offspring
explanation:
asexual reproduction is when a single organism uses its own DNA as a template to create another organism (through binary fission, fragmentation, budding, etc.) that is genetically identical
sexual reproduction is when two organisms create a combination of DNA (through a mixing of genes during meiosis, reproduction, etc.) to create an organism that is genetically different
Which of the following characteristics evolved as a result of the evolution of a larger brain size?
adaptive human body type
use of symbols
walked upright
use of tools to get food
Answer:
blood
Explanation:
use food can help my brain or water can help work my brain use blood
Answer:
use of symbols
Explanation:
A larger brain allows for more intelligence. To use symbols, you need more intelligence
Low genetic variation or a lack of genetic diversity increases the risks of extinction. Scientists have observed this in cheetah populations. Captive feline cheetahs at a breeding colony for large cats were exposed to a viral pathogen that killed roughly 50% of the cheetah population. None of the lions in the large cat population developed symptoms or were affected. Scientists know that lions have a more extensive genetic variation, which means they had the gene variations in their immune system necessary to fend off the disease. Describe the evidence that supports how the cheetah population is likely experiencing a lack of genetic diversity. Suggest one way humans can intervene to increase genetic diversity. Predict a potential adaptation that could result from this increase in diversity. (Please be longer than a few sentences)
Answer:
Because the pathogen killed off 50% of the population that means half of the population was susceptible to the disease, meaning that genetic variation is incredibly low because 50% of the species is the same. Humans can fix this by interbreeding cheetahs with different traits, or even breed them with a different species that is compatible for reproduction.
Explanation:
Half of the population was susceptible to the disease since the pathogen killed off 50% of the population, which means that genetic variation is extremely minimal because 50% of the species are the same.
What is genetic diversity?Genetic diversity refers to the total number of genetic traits that make up a species' genetic composition.
It varies greatly depending on the number of species present as well as across species, and it can be linked to a species' longevity.
A group that is genetically homogeneous and exposed to a new pathogen without the gene variant to stop the disease could go extinct.
By performing a skin graft surgery where a portion of skin from a donor cheetah is given to a recipient cheetah, which is easily accepted if it is an inbred population, evidence to support the loss of genetic diversity of the cheetah population can be gained.
By implementing captive breeding programs, encouraging females to breed with various males in order to produce offspring with various traits, protecting the natural habitat, fostering coexistence of the cheetah species with other species and humans.
Also reducing competition for the same food source, we as humans can take action to increase the genetic diversity in the cheetah population.
Thus, these are the evidence that supports how the cheetah population is likely experiencing a lack of genetic diversity.
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Which of the following best describes the role of roots and stems in a plant?
Roots and stems transport water and minerals to the leaves so that photosynthesis
can occur.
Roots and stems help the plant move and keep cool in hot weather.
Roots and stems transport water and minerals to the flower to attract bees so that
pollination can occur.
Roots and stems are where photosynthesis takes place
Answer:
Roots and stems transport water and minerals to the leaves so that photosynthesis can occur
Explanation:
how does latitude affect a climate zone
How do scientists learn about the age of the solar system and its planetary bodies? Select the two correct answers.
a. comparing the composition of the gaseous planets to the rocky planets
b. using radiometric dating of meteorites
c. measuring distances between planets
d. analyzing impact craters on planetary body surfaces
Answer: B, C
Explanation: Scientists use radiometric dating of meteorites and analyze the impact craters on planetary body surfaces to learn about the age of the solar system and its planetary bodies.
Using radiometric dating of meteorites and analyzing impact craters on planetary body surfaces are the two methods that tells us about the age of solar system.
The age of solar system and its planetary bodies can be find out by using radioactive dating techniques. Scientists have find out that the Solar System is 4.6 billion years old due to this technique. The other way to find out the age of solar system and its planetary bodies by counting the number of impact craters occurs on planetary body surfaces so these two methods provides information about the age of solar system and its planetary bodies
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A geneticist crossed tall pea plants and obtained 971 tall pea plants and 315 short pea plants in the F, generation.
TT
What were the genotypes of the parents that produced the offspring in the Punnett square shown, it T is the allele for tall, and t is the allele
for short?
ATT
BTT
D. TITI
Answer:
BTT Esa es la respuesta gracias
Answer:
B. TT
Explanation:
I took the test
In starches the glucose units are joined together by
Answer: glycosidic bonds
The glucose units in starches are joined together by α-1,4 glycosidic bonds.
Starch is made up of two types of polysaccharides: amylose and amylopectin. Amylose is a straight linear chain of glucose molecules linked by α-l,4 glycosidic linkages. Starches have a lengthy, chain-like structure because of the linear arrangement of their -1,4 glycosidic linkages.
Amylopectin is a branched chain of α-d-glucose molecules linked by α-1,6 glycosidic linkage. These bonds are located at the places where the starch molecule branches, and they contribute to the branching structure of starches. Starches are more water soluble than other forms of carbohydrates, such as cellulose, due to their branching structure.
Therefore, In starches, α-1,4 glycosidic linkage bind the glucose units together.
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who do this please
What are the TWO processes during decomposition?
Answer:
Decomposition occurs through two primary chemical processes: autolysis and putrefaction. They often occur in tandem, but one may predominate in certain conditions. Autolysis (or “self-digestion”) is the destruction of cells through the action of their own enzymes.
Explanation:
Answer:
Autolysis and Putrefaction
Explanation:
Muscles are made of muscle tissue. Muscle tissue is made up of
Muscle cells
Muscle bones
Muscle veins
HELP ME HURRY PLEASE
Answer:
people think science tests should be more hands on opposed to sitting down in on spot for hours. I think it should be hands on so kids can remember and have a fun time doing so.
Explanation:
(go into more depth and add more words.)
Sickle-cell anemia is an autosomal recessive condition. This means that:
a. Two copies are needed for the condition to occur
b. Individuals can be a carrier for the condition
c. Families can go many generations without realizing that it occurs in their family
d. All of the above.
Answer:
tonto amarillo zjjzbzbznxbx
Construct x such that a/x=x/b
Answer:
the x-axis drawn through (b−1,0). The intersection is at (b−1,ab).
The brain is formed by a variety of nervous tissues and connective tissues. The tissues are highly organized and work together to complete a variety
of tasks
How is the brain classified?
А. tissue
B. organ <
C. organ system
D. organism
_______ are created through the process of translation
1. lipids
2. proteins
3. nucleus acids
4. carbohydrates
Answer:
2 proteins
Explanation:
The protein synthesis occurs in two steps, namely transcription and translation
Please help I'm in a test...
The process that transport rocks, soils, and sediments to a different location is called _____.
A Weathering
B Erosion
C Deposition
Answer: B
Explanation: I had a test with this question and got it right
Which one of the following is not made of calcite?
a. chert
b. travertine
c. chalk
d. coquina
can someone help with the pic
Answer:
A
Explanation:
Every cell has a cell membrane, but not every cell has a cell wall. Plant cells have both while animal cells only have cell membranes.
I need help now!!
Which of the following best describes why a cell would not be able to reproduce if its
nucleus were damaged?
A. The nucleus is responsible for creating the sugars needed to perform cell division.
B. The nucleus is responsible for creating the energy used to perform cell division.
C. The nucleus is responsible for housing the genetic information needed for cell
division.
D. The nucleus is responsible for letting the materials in that are needed for cell division.
Answer:
B
Explanation:
I don't know...but I think the answer is B
help fast with homework
The broad waves of related waves is called: : Radiation Spectrum Force Energy please help
Answer:
The asnwer is spectrum
Explanation:
the primary wave is the slowest wave among the seismic waves true or false
The central dogma of molecular biology states that
1. DNA-protein-RNA
2. tRNA-mRNA-rRNA
3.DNA-RNA-protein
4. protein-RNA-trait
Answer:
3
Explanation:
From DNA we are able to get RNA (m and t) to make proteins