3 years ago

Question 18 OT 25

Biology

2 answers:

vova2212 [387]3 years ago

8 0

Answer:

A. It is too dangerous to observe directly.

Hope this helps! :D

Scorpion4ik [409]3 years ago

8 0

Scientists use a model because the continents move to slow to observe directly. The continents move about 2in per year along plate boundaries. That 2 inch movement is too small to be observed directly that’s why we use technology in order to measure the movement

You might be interested in

Salmon eggs hatch in fresh water. The fish then migrate to the ocean (a hypertonic solution) and, after several years of feeding

Ray Of Light [21]

Answer:

Letter C

Explanation:

Salmon have a physiological adaptation that allows osmoregulation to occur in two different environments (seawater and freshwater). There are specific molecules in the salmon gills that "pump" and "remove" Na and Cl ions. When at sea these molecules pump the ions out of the salmon's body and into freshwater, the same molecules remove Na and Cl from the water bringing it into the animal's blood.