Answer:As temperature increases, reactions take place. Generally, higher temperatures mean faster reaction rates; as molecules move about more quickly, reactant molecules are more likely to interact, forming products.
Explanation:
Warm is less heaver then cold air so warm air rise and cold air sinks
Concrete is formed of sand. Is it incorrect to suggest that some houses are built using concrete blocks?
O2 gas, where there are two Oxygen atoms which are covalently bonded together
