Which of the following is a characteristic of a scientific experiment? (5 points) a
Its results always support the hypothesis.

b
It shows cause and effect relationships.

c
It is performed in nature.

d
It can be performed only once.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

This is a biological reaction due to a stimulus. i need this quickly !

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous