It’s with c or d because respiration and photosynthesis wouldn’t follow metabolic pathways in a correct order.
Pathogens and run off from factories, oil spills and host of other poisons are threatening these places
"The number of chromosomes present in a diploid cell doubles for each generation because there are two parent" is the one among the two statements that <span>is the best explanation for why the chromosome numbers above are all even. The correct option among the two options that are given in the question is the second option or option "B". </span>
All the spheres on earth overlap with each other so that any changes occur in one sphere may affect the other.
<u>EXPLANATION: </u>
The four spheres of earth are Land (the lithosphere), water (hydrosphere), air (atmosphere), living things (biosphere). The living organisms receive sunlight, heat, and gases from the atmosphere and water from the hydrosphere.
All these spheres are interlinked with one other and assembles in a single location at the time of overlapping. Life would not be there on earth if all these spheres do not interact or overlap with each other.
Examples of the earth overlapping is given below;
- Birds the living organism that flies in the air.
- Water flows through the soil on land.
- Evaporation of water into the atmosphere causes rain on the land.
<span>ACCORDING TO MORRIE' HUMANS ARE DIFFERENT FROM PLANTS AND ANIMALS BECAUSE IF OTHERS CAN REMEMBER THE LOVE WE GAVE WHEREAS THEY NEVER GO AWAY AND LIVE ON THROUGH MEMORIES.</span>