Answer:
PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.
Answer: Energy
Explanation:
If there is no chemical bonds in the substance or the bonds in the substances are so strong so there would be no energy released.
This is because there is a need of energy when any bond is formed and energy is released when bonds are broken down.
Energy is stored in the bonds which is released when bonds are broken down.
There would be no energy available for various processes and no movement of energy will take place.
Answer:
In the carbon cycle, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere, where it's available to plants for photosynthesis.
Explanation:
Answer:
A
Explanation:
According to this hypothesis that pillar coral digested zooxanthellae, the coral digested zooxanthellae inside the pillar coral must be dead. If anything is engulfed then it should be first dead inside the body of the predator and then the energy is extracted from the food. The food eaten serves as a source of energy.