Using the general equation for a nuclear reaction, supply the following answers. The mass of the first neutron is :
There are _ Ba neutrons
The number of neutrons this reaction emits is _

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?