Researchers aboard Alvin discovered the presence of hydrothermal vents on the ocean floor.
Answer: asexual reproduction is when an organism can reproduce without the need of another unlike sexual reproduction
Explanation: sexual reproduction happens when two organisms reproduce together giving the offspring 50% of each organisms DNA--
asexual reproductions is more like the organism replicating itself because the offspring has 100% of its DNA making it the exact same
Answer: 2.3 g cm^3
Explanation: In this case the rise in level of water is same as the volume occupied by the stone.
a) Volume occupied by the stone = 70 cm^3 – 40 cm^3= 30 cm^3
b) Density = mass/volume
= 69g/30 cm^3 = 2.3 g cm^3
Answer:
The difference between AB and O blood types has to do with the antigens you have or don’t have on your red blood cells.
AB blood has both A and B antigens on its red blood cells and
O blood has neither A nor B antigens on its red blood cells
Explanation:
Clearcutting results in the removal of topsoil and some animal habits, which can prevent the forest from being able to grow again. While it is cheap, the damage to the food chain and surrounding ecosystem can destroy entire regions.
