What is used to determine the actual age of rock

he universal genetic language of DNA is common to virtually all organisms on Earth, however diverse. What is the best explanation for this fact?

Which of the following is a response? A. a horse swishing its tail at a fly B. a loud clap of thunder C. a puddle drying up D. a seed being planted

Match the characteristics to the blood vessels. has a thin endothelial layer carries blood to the heart single walled largest blood vessel in diameter carries blood away from the heart exchanges nutrients with tissues artery vein capillary

Not all cells are alike. which of the following is NOT a true statement about differences between the cells? A. Cells come in many different shapes B. Diff kinds of cells are diff sizes C. Some cells have a nucleus, but others don't D.

In order to obtain energy, plants must do what? a. produce food b. release seeds c. make new cells d. consume food

Trondheim, norway is located at approximately 63° n. despite its high latitude, it has a relatively moderate annual temperature pattern. what likely accounts for this moderation of temparature

What are two types of frameshift mutations?

Why is biomass a better alternative to oil?

Cyanobacteria pumped this into the atmosphere, creating an ozone layer. Nitrogen Oxygen Methane Ammonia

Describe at least two changes Anna would have to make to her diet to increase her overall health and fitness.