Biogenous sediment is sediment created from the shells of organisms that were once alive. These shells contain substances such as calcium, silicon and phosphorus. However, these shells do not contain manganese. Therefore, the answer is A. manganese nodules.
Answer:
The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.
Explanation:
Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.
Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.
The most likely explanation for showing fewer organisms at each feeding level going up the pyramid is that Some energy is lost to the environment as Heat
They bond together in the dna T bonds to A and C bonds to G
