From the ninth week through birth, a developing baby is in the period of prenatal development.

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers? (site 1)

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Explain why ecosystem diversity results in species diversity in a healthy biosphere