Answer:
amphibians because it is a cold blooded vertebrate and has aquatic gill breathing larvea
Explanation:
Answer:
porosity,minerals of softness,ease of dissolving
Explanation:
Answer:
I think she should try the experiment one set with fertilizer, and one without. The negative control group would be the set of rose bushes grown without the fertilizer, but under the exact same conditions as the experimental group. Then, if a difference is seen you can be sure it's accurate, since you tested with and without fertilizer under the same conditions. Sorry if i am wrong, I am not completly sure about this one. Again I might be wrong so sorry in advance.
Answer:
Producers, primary consumers, secondary consumers, tertiary consumers
Explanation:
Answer:
A.
Explanation:
When freshwater is met with the ocean salt is diluted to the freshwater. Therefore organism that require little salt would be put at a threat.