It rains, water moves and erodes the land and creates valleys and rivers.
X is the dominant allele / curly hair , females have two X chromosomes and males have an X and Y
Answer:
Which generations saw a population altering incident? Use your imagination to invent apossible environmental incident that could have caused this shift in populations. The white bears saw a population altering incident because in generation 6 the number wentdown pretty unexpectedly.
