The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.
Answer:
Both have dinosaurs as ancestors (basically both are related to dinosaurs)
Explanation:
Species could compete for water, food, land, etc.
I think the only answer choice here that really makes sense is D
Answer:
maybe do B, not all of the same water molecules travel with the same wave
Explanation:
