Point source pollution comes from sources that are___? A. Directly identifiable
B. Basically unknown
C. Very small
D. Dumped illegally

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

Has magnification ability of hundreds of thousands of times