I hope these help
1.C
4.B
8. A
12.A
True. When access to clean water and sanitation is not provided, the health of the population is at risk for disease.
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Explanation:
hope this helps...
and if u didn't get it its veins...
protein is one of the food group that help us stay active. it is very important to have protein at least everyday