The first choice is correct
Answer:
Children younger than 5, but especially children younger than 2 years old. Adults 65 years of age and older. Pregnant women (and women up to two weeks postpartum)
Explanation:
Answer:
A
Explanation:
I think an untreated water can carry disease causing organisms and make people sick
Answer:
The nucleus contains "the cell's genetic material, DNA." DNA makes protein molecules to help with almost every cellular process
Please said thanks
The law of conservation of energy states that the total energy of an isolated system remains constant it is said to be conserved over time for instance, chemical energy is converted to kinetic energy when a stick of dynamite exploded hope this helps and good luck