They are a part of primary succession. :)
Answer:
the child will either receive either an X or a Y chromosome from the father
Explanation:
The mother always give the child an X chromosome because thats the only one she can give
the father can either give an X or a Y which determines if the child will be female or male
The answer is B,trust me I took the test.GOOD LUCK
Answer:
There are many methods used by the scientists to study the change of earth's atmosphere and climate over the past million years. The study is called paleoclimatology. Since there are no measurement tools during those era, it studies the past by using proxy data. Proxy data includes earth's sediments, tree rings, historical archives, ice cores, and etc.
Explanation: