Answer:
the second one seems right :)
Explanation:
Stars on the main sequence fuse hydrogen into helium via a six-stage sequence of reactions
the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
Answer:
the centers for disease control and prevention
At absolute zero the kinetic energy of the substance will be 0
