One way that fossils form by the dead organism's soft tissue is
sediments such as sand.
OA) repaired
OB) replaced
OC) preserved
OD bonded
.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Which of these is not a nucleotide base found in dna?