Answer:
For what grade level is this for?
Explanation:
DNA is going to be the answer
Answer:
i think the answer is C Gravitational potential energy
Explanation:
im not sure but i think this is the right answer
Answer:
????
Explanation:
None of those seem to be correct to me.
1. Observations are made using the five senses- sight, sound, touch, taste, and smell. So this is invalid.
2. Observations and experiments can both be done anywhere
3. See answer to 2
4. It's cut off? But observations can literally be as simple as looking at a stick and noting that it's brown, so from what I can read, it's invalid.