How can copper enter our body

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

How does an angiosperm prevent self pollination

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.