Which is an internal environmental factor that affects heredity? light
temperature
nutrition
hormones

How do you date a sample of rock that you suspect as being one of the earliest on earth

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?