<span>A boy's first ejaculation generally occurs around age 13 a full year after the body begins producing sperm. While there is the potential for a 13 year old boy to father a child full fertility is reached between the ages of 14 and 16.</span>
Hypothesis:an if, then, because statement used in an experiment
Independent variable:is what you change in the experiment/what you are testing
Dependent variable:what is affected because of the changes made/what is being tested in an experiment
Control:what is kept the same (we use this to compare the results it)
Answer:
The last universal common ancestor is the most recent population of organisms from which all organisms now living on Earth have a common descent, the most recent common ancestor of all current life on Earth.
Explanation:
The answer is c) mutation just took the test hoped I helped
Answer:
b
Explanation:
hazard failed in real madrid but did good in chelsea so the word eden is aplha helix so b