Answer:
3 should be right im sure i might be right leave a review if wrong and how it was have a nice day
Explanation:
The two substances needed in this situation are:
potato extract and catechol<span />
Answer:
hope you like it
Explanation:
An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystem.
False. <span>Adult corals are sessile organisms, i.e. they don't move around. They are tiny organisms whose shells are what we generally see.</span>
