Answer:
Chemical families on the periodic table are the following:
1) Alkali metals.
2) Alkaline earth metals.
3) Transition metals.
4) Halogens.
5) Noble gases
Explanation:
Alkali metals are those elements having one electron in the outermost shell. Alkaline earth metals are found in the earth such as calcium. Halogens means salt forming, it produces salts when combine with alkali. Noble gases are those which are non-reactive in nature.
<span>The answer is true. Based on the cancer death rates graph, males in
the United States showed higher lung cancer death rates earlier compared to
females from 1930-2000. The sources of
the graph are as follows: US Mortality
Public Use Data Tapes 1960-2000, US Mortality Volumes 1930-1959, National
Center for Health Statistics, Centers for Disease Control and Prevention, 2003.</span>
Endangered Species. An animal or plant species is considered 'endangered' when it is at the risk of becoming extinct from the planet or from a particular region on the planet. Most of these species are considered to be endangered as they are at the risk of becoming extinct with only a few individuals surviving.
Answer:
The energy transformation that takes place during cellular respiration is the conversion of glucose (chemical energy) to another form of compound with high energy bonds (adenosine triphosphate) that can be readily used by the body.
