Arteries carry the oxygen-rich blood, veins carry the oxygen-poor ones
Answer:
A
Explanation: I believe that A is the answer because when your body senses that it is getting hotter it reacts by sweating.
Answer:
Number 2 is false
Explanation:
an enzyme cannot do that.
When a candle burns, energy is released in the form of light and heat.
Candles are used to provide light because when they burn, the energy which is released takes the form of light. Similarly, because fire is involved in the process, heat is given off as well.