The deuterium nucleus collides with another proton and forms a variety of helium called helium-3. Then, two helium-3 nuclei collide and form a helium-4 nucleus that has two protons and two neutrons. The remaining two protons are released back into the sun’s . A. atmosphere
B. corona
C. core
D. center

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions