Observation: Why do human beings hygiene themselves? Hypothesis: If we do not hygiene ourselves we will get infected.
what would be dependent variable, independent variable, constant variable, control and experimental group?

the answer to your question is slate

i was thinking 4.0 v hope this

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

answer; synapse; i believe this is correct,plz check first good luck;