In the small intestine, these cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.
With fossils, scientists can use carbon dating to determine the approximate age of whatever fossil they have.
The best answer is A
Saltwater fish are hypotonic to their surroundings. This means their blood has a higher water concentration than the surrounding sea water.
Due to the fact that there is more salt and less water outside their bodies, there is a tendency to take in salt and lose water.
To counter this, salt water fish drink a lot of the sea water and urinate very little. Special cells in the gills actively eliminate salt at the cost of extra energy and these fishes do not absorb any salt from the water they drink.
Answer:
A
Explanation:
The Sun doesn't move but the moon rotates around the earth making it so that the moon is always receiving different fractions of sunlight at different times. For example,
SUN. EARTH. MOON
︵
( ) O •
‿
as you can see, there is no sunlight hitting the moon._.
if you mean the same part of the Moon, the answer is still A because the Moon rotates and is always at a different spot
Answer:
That is right, internal/external.
Explanation:
