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.
Answer:
Asexual reproduction can be described as a process in which daughter cells are produced which are 100% identical to the parent cells. Unlike the process of sexual reproduction, no recombination occurs in asexual reproduction. Hence, no variability is produced when organisms reproduce by this method.
<u><em>As there will be lack of variability in asexual reproduction, the whole of the particular species might become endangered or extinct due to a disease or due to other factors like pests.</em></u>
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Species are what makes up the population.
Answer: FALSE
Explanation: THE FIRST STEP IS INCORRECT AND SHOULD BE
1. press the pushbutton to the first positive stop
THE REST OF THE STEPS ARE CORRECT
The denser plate pushes below the other at the deep ocean trench.
