Which of the following is an alkaline earth metal?
A. Silicon (Si)
B. Magnesium (Mg)
C. Carbon (C)
D. Aluminum (AI)
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Ответ:
B
Explanation:
The alkaline earth metals are the elements located in Group 2. The only element out of our choices that is in Group 2 is Magnesium.
Ответ:
pressure has increased
Explanation:
it went up since the car tires were moving probably fast which would make it have more momentum and build up a lot of pressure