Look at the picture of the fragmented rock.

what has most likely caused it to break up like it is?
a.
cutting with a knife
b.
physical weathering
c.
drilling holes with a drill
d.
chemical weathering

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What is the average speed of a car that traveled 300.0 miles in 5.5 hours