Lightning strikes a tree and start a forest fire. This is an example of the (a) biosphere
(b) lithosphere
(c) hydrosphere
(d) atmosphere 

affecting the
(a) hydrosphere
(b) biosphere
(c) lithosphere
(d) atmosphere

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

What chemical speeds up the process of decomposition in dead organisms are exposed to it? nitrogen oxygen hydrogen chlorine