Two theories on how life started?

What is the composition of the most common mineral compounds that make up Earth's crust and mantle? sulfates, oxygen, and one or more nonmetal elements carbonates, hydrogen, and one or more organic compounds silicon, oxygen, and one or more metal

A trench is evidence of which kind of plate boundary? Transform Convergent Uniform Divergent

What motivated the apollo missions that would eventually send american astronauts to the moon

Why is it important for the appendages of an arthropod to be jointed? The joints store water and prevent the animal from drying out. The joints make the appendages flexible and allow for movement.

Exposure to mercury can result in A. High blood pressure B. Brain damage C. fever and flu D. Diabetes

The chart below shows examples from two groups of organisms, multicellular and one-celled. the tissues and organs in group a perform functions that are

A patient has very low levels of steroid hormones in his body, and his doctor thinks it is due to poor nutrition. How could the patient alter his diet to address this deficiency? Consume butter and oils. Restrict butter and oils.

True or false? a woman's behavior can often determine both whether or not she gets a chronic disease, as well as the chronic disease's course of infection.

What role do insulator sequences play in the regulation of eukaryotic transcription?

A tube worm is a creature that lives within the dark, hot, and mineral-rich conditions of a hydrothermal vent. Deep-sea bacteria use chemosynthesis to convert energy into a chemical form.