As ocean water in a tide pool warms and evaporates, the remaining water becomes a. cooler. b. saltier. c. calmer. d. darker.

Bacteria are single-celled microorganisms. The cell walls of these microorganisms serve as barriers to chemicals that might affect the processes that occur within a bacterial cell. Antibiotic are a type of substance used to stop bacterial growth.

9. What process NEVER occurs in interphase?

Which of these resources cannot be renewed? A. oil B. solar C. hydropower D. biomass

What made Cumberland Road important during the 19th century? It was the first time stones were used as a surface. It was the first time a road went to many towns and cities. It was a very dangerous road. It was Americas first toll highway.

If a decision was made to convert forest to agriculture, which would be an example of a negative trade-off based on this decision?

Explain how blood is prevented from flowering backwards in the heart

He phase of the cell cycle where dna replication, chromosome duplication and preparations for cell division occur is called

Why do you think phytoplankton are so important to all living things on earth?

The weakness of hydrogen bonds between the bases of DNA allows what?

Which statement is correct? The number of electrons of a neutral atom always equals the number of protons. The number of neutrons always equals the number of protons. The number of neutrons always equals the number of electrons.