Answer:
The correct answer would be - strontium, magnesium, beryllium.
Explanation:
As we know that the number of the same valence electrons is most likely to exhibit similar physical and chemical properties so the elements of the particular group in the periodic table have a similar number of physical and chemical properties and a similar number of the valence electrons.
For example, group 2 elements are known as alkaline earth metals, and strontium, magnesium, beryllium, and calcium are the same group elements thus, they have the same chemical and physical properties as they have 2 valence electrons.
Answer:
An appreciation of the fundamental principles of evolutionary biology provides new ... not health or longevity; that our evolutionary history does not cause disease, but rather ... played an important role in biological, medical, and social sciences alike. ... that humans as a species have limit the range of investigations possible.
Explanation:Evolution as fact and theory · Social effects · Creation–evolution controversy · Objections to evolution · Level of support · Tree of life.svg Evolutionary biology portal · Category · Related topics · v · t · e. Evolution is change in the heritable characteristics of biological populations over successive ... Thus, in successive generations members of a population are more ...
The correct answer is:
A. carry out photosynthesis
A lack of movement creates swelling<span> in Barbara's </span>legs<span> because the body relies on pressure </span>created<span> by the </span>movement<span> of muscles to circulate the blood which then moves it back up into the heart. Barbara's arms didn't swell because she is more likely to move them in a car than her </span>legs<span>.</span>
