Acow is given a growth hormone and then compared to another cow that was not given a growth hormone. both cows were weighed at 2 years. what are the independent and dependent variables?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

Are the layers of rock above and below the coal older or younger?