From top to bottom, I believe the answers are:
Biologist
Chemist
Geologist
Hydrologist
Explanation:
The valence electrons determine the group the elements belong in the periodic table. For example, the element sodium, Na, has a valence electron of one and so it belongs to Group 1 in the periodic table. Another example is Aluminium, Al, which has a valence electron of three and therefore it belongs to Group 3 in the periodic table.
Hi
you have to write a short intoduction of the parts invovled in animal or plant cell
Answer:
chemical reaction is both photosynthetic and cellular respiration
Answer:
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of spec
Hope it helps!!!
