I think C because to not get lightheaded, you need blood to go to your brain and if you're exercising and you feel light headed or dizzy, you wouldn't be able to exercise!. So from my understanding, the answer would be C but I am not 100% Hope this helps! :)
Answer:
Lithium
Explanation: Lithium (Li) is the strongest reducing agent in the periodic table.
Answer:
i think its either rows or groups but i rlly think its groups
Explanation:
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Answer:
The accurate description for the binary star systems are that they have stars that might appear to wobble and also, often have one star that is brighter than the other. The binary star systems are often refer to as the double star system which consists of only two star in the system.
