Answer:
Explanation: because they caused redistribution between continents, create volcanos and mountains that help populations adapt
Answer:
The nervous system transmits signals between the brain and the rest of the body, including internal organs. In this way, the nervous system's activity controls the ability to move, breathe, see, think, and more. The basic unit of the nervous system is a nerve cell, or neuron.
Explanation:
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increase cattle grazing
Explanation:
Increased cattle grazing will not slow down the desertification of an area. In fact, it leads to desertification.
- Desertification is the process by which a land area is turned into deserts.
- This usually results from intense drought and removal of vegetation cover.
- When cattle grazing is increased, this can lead to over grazing.
- The land surface becomes bare.
- This can lead to desertification.
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Answer:
D
Explanation:
Observation is the first step to every scientific discoveries. From observation we form hypothesis [ intelligent guesses]; from that we subject our hypothesis to testing and the list goes on.
Answer:
Polysaccharides.
Explanation:
Polysaccharides are formed by several monoasaccharides units linked by glycosidic bonds.