Hi Ace22704,
Answer - natural observation
I think this experimental method is a better option because its in a natural environment where the kids dont know whats happening unlike the suveys where you ask them questions which is probably a bad idea because they might feel scared and just change their minds.
Answer:
Because it may be bit plain but also gives an extra nutrients
Explanation:
Thanks me on comment section and mark me as brainliest
Answer:
B. Surface of the skin
Explanation:
If we had mucous on the surface of our skin then our skin would have a thick slippery fluid like substance on it all of the time. Mucuos membranes are present in the digestive tract, mouth, lungs, and more.
An outpatient surgery center, or a clinic that specializes in endoscopy. Possibly a digestive disease facility.
