They can all affect the heart and lungs . If present while starting a new exercise regime these conditions can cause these organs to fail if the regime is too strenuous for you . Conditions like asthma , hypertension , any heart diseases , lung diseases , cancer or anything that can affect the heart and lungs . If you suffer from any consult your doctor on which exercise regime is right for you .
More often because water reflects the uv rays
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Answer:
the answer is b
Explanation:
that was just a letter not an answer
Answer:
The answer is D.
Explanation:
Combination of genes inherited from each parent