Phytoplankton are essential because they produce which of the following?

A. oxygen

B. nitrogen

C. sulfur

D. phosphorus

According to the Bureau of Labor Statistics, 39% of American workers do not have paid sick time off from their jobs. Many workers are also discouraged from taking time off from their jobs for any reason, even if the days off are unpaid.

4. The density of water is 1g/ml. Knowing this, do you think either the dice or book would float in water? Why or why not?

Male was admitted to the intensive care unit with a diagnosis of acute myocardial infarction. he is being treated for shock. his cardiopulmonary symptoms include low blood pressure, tachycardia, and tachypnea. his skin is pale and cool.

What would you expect to happen to the number of high tides in any given area if the rate of Earth's rotation doubles?

1. Choose an element (1-20) from the periodic table. 2. State the electrons, protons, and neutrons. 3. Give the electron configuration for the element 4.

Which process copies from DNA onto mRNA

State two proteins in blood which are responsible for determine the blood group of a person

The statement, "Energy can neither be created nor destroyed, but can change from one form to another," is the first law of thermodynamics the second law of thermodynamics the third law of thermodynamics scientifically unproven

How do plants living in deep shade manage to make their food

What can cells can be defined as