The heat is generated using non-renewable resources such as coal, natural gas, or/ and oil. This is the cause because the natural process of heat comes through these given variety of generators ways.
Answer:chemical reaction
Explanation:Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
I believe that its B but could also be D
Answer:
Blue flowers and green leaves
Answer:
B. Atoms are made of particles that have a negative charge.
Explanation:
Thomas is a chemist which performs an experiment using cathode ray tube. In this experiment he observed that all atoms contains electron which has negative charge. He concluded that most of mass of atom is present in the nucleus of an atom. In nucleus, proton and neutron are present which are a heavy particles and most of the space around the nucleus is empty.