Breaking a rock into smaller pieces by natural causes is known as

A. erosion.

B. the rock cycle.

C. chemical weathering.

D. mechanical weathering.

Why is it important to keep our water supply clean give 3 sentences?

An example of an adaptation that might increase fitness is

Which of these is a type of cognitive ability? sensory abilities psychomotor abilities spatial abilities response orientation coordination?

What is the function of the vacuole in a cell? A. It breaks down cellular waste. B. It provides cellular support and protection. C. It controls the water content of the cell. D. It transfers light energy into chemical energy.

Slicks car care washes 18 cars each day. On Saturday one employee washed 2/3 of the cars. How many cars had the employee washed?

Chemical reactions that release energy Question 6 options: will always explode. need catalysts to occur. often occur spontaneously. will not occur.

Match the amino acid (AA) with its correct side chain category: 1) proline A) acidic AA 2) histidine B) nonpolar AA 3) alanine C) basic AA 4) threonine D) polar AA 5) tryptophan 6) aspartic acid

In which structure of the female reproductive system are eggs priduced

In a forest, rabbits are the prey to owls. An increase in the number of rabbits in the forest would result in Group of answer choices A. an increase in the number of owls. B. an increase in the number of producers.

How are viruses different from bacteria Bacteria are heterotrophic while viruses are autotrophic. Bacteria are living organisms; viruses are not. Bacteria have a membrane bound nucleus while viruses do not.