What is the thing that pumps blood to your heart?

Choose the correct word that describes the description. When no more material can be dissolved in water. solute? solvent? staturated? dilute?

Chimpanzee attacks on members of other groups can be extremely brutal and result in severe injury or death. never result in injury. are definitely motivated by territoriality. are so rare that only one or two have been observed.

What can you conclude about fossil by looking at the layers of rock? The exact age of the fossil The fossils in the lower layers are older than the fossils in the upper layers.

What two types of materials transfer thermal energy through convection?

Which phase of mitosis is where two nuclear membranes are formed?

Which is an effective way to manage stress

What are two ways that scientists can study Earth's Climate history

How many photosystems can be found in a prokaryotic cell

How can scientists study ecology?

Which of the following marcolecules consist of long chains of amino acids?