What element do all organic compounds contain?

Carbon

Hydrogen

Nitogen

Oxygen

What allows a backbone to be flexible?

A phosphate, a sugar, and a nitrogenous base form a ... ?

Two minerals that make up bones are

A bovine-derived enzyme used as a chemical method of hemostasis is

In 2 hours a motorcycle traveling at 45 km/hr can travel

A freshwater plant is placed in salt water. Which of the following events would most likely occur? Group of answer choices an increase in the action of its contractile vacuole shriveling of the cell swelling of the cell until it bursts swelling of

During what geological period do the angiosperms become more common?. A. Triassic. B. Permian. C. Jurassic. D. Cretaceous

Residential construction is expanding in Florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther,

In what ways farmers will be benefited by learning rainwater harvesting

Which would reflect the most radiant energy based on its color?