the size of the sample space is . The probability that the first three letters of the four-letter code are vowels is

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

What best explains the inability for life to exist in earth early atmosphere