Which of the following statements about the first scuba diving suit is true?
a.
it weighed about 100 pounds.
b.
it was made in the 1950s.
c.
it weighed about 50 pounds.
d.
it was made in the 1870s.

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

What terms describes being out of water after being submerged