If a tree ring you are measuring is very thick, what does that mean?

A. That year was cold and dry

B. That year was warm and very dry

C. That year was warm and wet

D. None of the above

What is the serous membrane that lines the walls of the thoracic cavity?

Explain how the coriolis effect and gyres are related

In the carbon cycle what form are carbon atoms generally

What laboratory test should indicate she is suffering from anemia?

A female condom protects each partner from contracting any STDs. True False I think False, though

Oil spills often kill many plants and animals in the affected area. What is the consequence of these mass die offs? Increased biodiversity Increased speciation Reduced biodiversity Reduced speciation

Why is it necessary to absorb some food molecules by active transport

Mountain lions are large cats and the top predator in their habitat. A population of mountain lions may vary in several characteristics. If prey becomes more scarce, which variation would provide an advantage to the individuals that possessed it? A.

List the genetic disorders found on chromosome

when biologists wish to study the internal ultrastructure of cells, they can achieve the finest resolution by using a