This is FALSE, because banning candles with lead cores would be an effective way to prevent lead poisoning. Other things that can be done to prevent lead poisoning are banning stuffs like lead glazing on ceramic dishes, and the use of lead solder. It would also be effective to phase out waste incineration.
However, banning the use of led pencils in schools <span>would be ineffective to prevent lead poisoning.</span>
Malnutrition occurs when the body doesn't get enough nutrients.
(Causes include a poor diet, digestive conditions, or another disease.
Symptoms are fatigue, dizziness, and weight loss. Untreated malnutrition can cause physical or mental disability.)
Answer:
It usually takes around 4-10 days for a virus to enter a cell.
Explanation:
I hope this helps :)
Please note I can only make out some of this, so here's the answers I can see-
Answer #5:
Left atrium, right atrium, left ventricle, right ventricle.
Answer #10:
1.2-1.5 gallons.
Answer #8:
White blood cells fight and kill off diseases.
I'll add more as I get it
EDIT!
Answer #4:
They assist in clotting your blood
Answer #14:
O, B, A, AB.