Answer:
option d is correct. the existence of land bridges between continents.
Explanation:
landland bridge theory which was used to explain why species would end up continents over, such as mammoth travelling to North America, thisthis theory was based on the idea that water eventually Rose to cover these bridges rather than the at having individual plates that moved away from each other.
Answer:
flagella and cillia
Explanation:
Two different kinds of appendages may be found on eukaryotic cells that enable them to move. Flagella are long slender locomotor appendages that are usually single and few in number, whereas cillia are appendages which are numerous and short.
Hope this was helpful
<span>The answer would be </span>glycoproteins.
Answer:
chemicals are dumped into lakes and rivers
Explanation:
all the other choices are results of cutting down trees
A phenomenon, in the scientific context, is an observable event that can range from a seasonal hazard to a technological issue. For a scientist, a phenomenon is an observable event.