Answer:
carbon, hydrogen, oxygen and nitrogen
Explanation:
Answer:
A scientific theory refers to the possible explanation of the natural event. It can be tested repeatedly and can be verified by anyone with the help of predefined sets of protocols and scientific experimentation.
Similarly, Darwin proposed the idea of natural selection as the mechanism of evolution.
Various experiments in labs, as well as observations made under natural conditions, proved that natural selection plays a major role in the evolution.
Examples may include industrial melanism of peppered moths, long neck of Giraffe, different shapes and sizes of beaks of Darwin finches et cetera.
This is why natural selection is considered a theory now.
Answer:
A). Dividing the number of organisms in a region by the land area.
Explanation:
The formula for calculating population density PLUS example:
The movement of any material from one place to another is a called a flux. Carbon moving from one pool to another would be considered a carbon flux. BY just having some of the pool's essence get into another pool would cause the carbon to be transferred. Such as if someone jumped out of one pool and then jumped into the next.
hope this helps.
Answer: False
Explanation:
Most conifer trees keep their leaves year-round.
Hope it helps :) and let me know if you want me to elaborate.
