A good reason for why tobacco smoke is considered a carcinogen is because it causes mutations leading to cancer.
Answer: b. They are composed of molecules that contain carbon-carbon bonds.
c. They undergo chemical reactions to use energy they acquire from the environment.
Living things includes all the organisms that display features which make them distinct from non-living organisms. The living organisms have an organized structure, they are composed of cells, they require energy to survive or sustain existence, they are able to reproduce and they exhibit ability to grow.
They are composed of molecules that contain carbon-carbon bonds: Carbon is the main component present in all living things. They make up the organic biomass of these living organisms.
They undergo chemical reactions to use energy they acquire from the environment: The plants traps sunlight energy and converts it into food and lastly into chemical energy in the form of ATP. This ATP is used as a energy reservoir for metabolic processes occurring in the plants. Therefore, energy is generated after chemical reactions.
Answer:
<h2>Nerve</h2>
Explanation:
The nervous system is a very important and highly complex part of human beings and some other organisms that is responsible for the control and coordination of the body functions that may be internal as well as external. Nerves are the passes by which signals are transported to the brain and from the brain to the other part of the body. Such type of the nerves that are responsible to transfer the signal from the brain to the other part of the body is known as motor nerves. Such types of the nerve that transmit the signal from the body to the brain are known as sensory nerves.
Answer: 17190
Explanation:
100-50-25-12.5 (3); 3*5730= 17190
Phylum chordata differs from other animal phyla because it contains a notochord , dorsal, hollow nerve cord, and a pharyngeal.