The alveoli are tiny air sacs in the lung. They have a relatively large surface area and thin walls. This structure allows -

What are the two similarities of a theory and a hypothesis? thx

You were driving through the great plains of Nebraska to Northern Idaho. Gradually, the grassland gave way to tall conifers. Through which biomes did you travel?

Which of the following is true about protein molecules? A. The shape and folded structure of a protein molecule are important in determining its function. B. Protein molecules are made up of strands of DNA joined together by amino acid sequences. C.

4. Decomposers tend to go about their business without being noticed or rewarded for the work they do. Explain the importance of decomposers in ecosystems. Include in your answer the role that mold plays in a forest.

What is used to express ocean salinity

The first commercial application of genetic engineering was the use of bacteria to make insulin, a medicine needed by diabetics.

The period of cell growth and development between moronic division is called?

Where does the overwhelming amount of seismic activity occur on the earth?

Treatment for a patient with congestive heart failure and shortness of breath may include

Sea corals live exclusively in the ocean and are radially symmetrical. They have microscopic stinging barbs that shoot out to immobilize their prey. This allows corals to hunt even while they are stuck to the ocean floor.