How do protons and neutrons stay together in a nucleus? A Electrostatic forces hold them together
B. Gravitational forces hold them together
C Weak nuclear forces hold them together
D. Strong nuclear forces hold them together

Which of the following is most likely true about water in chemical solutions?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a. soft fossils b. mold fossils c. index fossils d. trace fossils