A double-blind study is one in which neither the researchers nor the subjects know which subjects are receiving the real treatment and which are receiving the placebo. What is the purpose of this design?

What's an area of high pressure where air moves apart and sinks

Which process contributes the most to the salts found in seawater?

Why do you think keeping salt water shellfish such as clams and mussels in freshwater kills them? support your answer?

What is it called when an enzyme and a substrate are temporarily linked?

The hydrogen bonding in DNA between Adenine and Thymine is more stable that between Cytosine and Guanine. (True or False)

Kate is protesting the construction of a new manufacturing plant in her town. She sees the value in more jobs, but she is an advocate of sustainable development. What is her primary concern? A. cost B. location C. increased risk of pollution D.

What 4 structures do all vertebrate embryos initially have?

Select the benefits of reproduction by meiosis. Organisms can reproduce rapidly. Genetic variation occurs. Mutations are not copied over and over again. Genetically identical copies of parents can be made.

What is law according to science

Why is DNA important to a cell?