PLZ HELP 13+points
Burning fossil fuels releases CO2 into the atmosphere. What potential threat can it cause to Earth? *
A)a decrease in water levels
B)a rise in global temperatures
C)an inability of plants to conduct photosynthesis

Is there any solid scientific evidence that humans have been cloned?

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.