Answer: Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. And overfishing and habitat destruction can reduce the diversity of living things in the biosphere.
Explanation: Hope this helps and good luck :)
Is this actually a question? Lol.
Buccinators are muscles in the cheek that help smiling.
Laris oculi are muscles helping close eyelids.
Orbicularis oris is a muscle that helps manipulate the mouth:
the correct answer is D. all the above are muscles that help facial expression.
In eukaryotes, there are two distinct types of cell division: a vegetative division, whereby each daughter cell is genetically identical to the parent cell (mitosis) and a reproductive cell division, whereby the number of chromosomes in the daughter cells is reduced by half to produce Haploid gametes (meiosis)