Hello, i need with an science assignment. when venus, the sun and earth lie on the same line, what two phase could there possibly be? explain why this is the case?

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure