The number above the element's symbol is the element's atomic number. Match each element with the number of valence electrons it has.

In which step of the scientific method is information obtained through the senses? a. drawing conclusions b. making observations c. analyzing data d. revising a hypothesis

Suppose that scientists discover how to grow neurons in the brain tissue of a lizard. What are scientists most likely to do with this discovery

Keeping medical information about a patient out of the view of visitors is an example of what?

How do the amounts of green pigment chlorophyll differ from summer to fall?

During a mission to colonize a new territory, a group of pioneers were to sail across the ocean to a new continent.

The hearing receptors are most closely associated with the

What percentage of water is lost through the respiratory system? 5 to 10 percent 10 to 20 percent 35 to 50 percent 50 to 75 percent

HURRY! The cell membrane is selectively permeable because of its molecular structure. Based on this, which one of these would NOT diffuse directly through the cell membrane?

What is the net force on 2-kg skateboard accelerating at a rate of 2m/s2?

Which of the following is one effect storm waves have on a beach?