Which of the following separates layers of different density?

thermocline

pycnocline

halocline

People respond to stress with greater anxiety if they have

Many diabetics are now using insulin that was made by certain bacteria. the ability of these bacteria to produce insulin was most likely the result of

How is an organisms success determined by its environment?

Why do scientist use standard units of measurement? A. because their tools only measure in these units. B. because other units are either too small or too large to work with C. so they can communicate findings without confusion. D.

What is life science 1.2 review and reinforce the study of life?

Charles darwin developed the theory that explains how new species develop based on evidence from many different kinds of scientific inquiry. darwin's theory can only be accurate if the earth is very old.

What happens when an object has an equal amount of positive and negative charges?

Soil at the shore of Lake Erie in Pennsylvania has a high sand and gravel content. Which of the following is a characteristic of this type of soil?

Which is the term for numbers that appear in the chemical formula of some compounds

Select all choices that apply. Which of the following statements apply to the New Kingdom? Choose all answers that are correct. A. Papyrus first used as a writing material. B. King Tut becomes pharaoh. C. Akenaten attempts to revolutionize religion.