North Carolina biologists discovered an increase in cancer in fish within a large lake. What could be a possible reason for the increase in cancer?

I think it is because the water is acidic, but I'm not completely sure ...

Europe and asia are divided by

After eastern Europe broke away from the Soviet Union, workers in Hungary and other eastern European countries hoped to a. share the prosperity of western Europeans. b. join the European Union. c. share the culture of western Europeans. d.

1. How can scientists use fossils in rock layers as evidence that one event happened earlier than another event?

What are the different types of segregation and how do they play a role in population distribution?

The greenhouse effect happens when greenhouse gases like carbon dioxide and methane absorb heat that has been reflected off the Earth and re-radiate this heat back towards Earth. What examples of greenhouse gases are given in the text above?

Which of the following is (are) TRUE in plants? a. Mitosis occurs in gametophytes to produce gametes. b. Meiosis occurs in sporophytes to produce spores. c. The gametophyte is within the flower in angiosperms.

The Gibraltar connects what two bodies of water?

Estonia, Lithuania, Ukraine, Belarus, and Moldova once comprised Yugoslavia. True False

Where do most volcanos form A) In the ocean B) Over a hotspot C) At plate boundaries

Which of these is not an environmental effect of destroying wetlands A. loss of habitat B. increased air temperature C. poor absorption of rain water D. unfiltered water