Answer:
C, D.
Explanation:
C: The flowing lava creates extra rock. For example, entire islands are formed via this process of volcanos erupting, lava cooling, repeat.
D: Silt from erosion (erosion itself is considered destructive, but the resulting silt can turn into something constructive.) can build up entire mounds or mountains over time.
50, because even after evaporation, all of the salt is still in the beaker. It’s not like the salt stood up and walked away, it’s all still there.
Answer:
Option-D
Explanation:
Captive breeding or breeding in the captivity is the conservation technique employed by the government to conserve nature.
Captivity breeding is also known as the captive propagation of animals in which animals are kept either in their natural habitat (ex-situ conservation) or in artificial conditions like in zoos where condition similar to the habitat of animal are created.
The breeding programme aims at conserving the natural habitat of the animals to prevent the endangered species from extinction. The endangered species are at risk of extinction due to loss of fragmentation, pollution, predation and others.
Thus, Option-d is the correct answer.
Answer:
23 Chromosomes.
Explanation:
In meiosis, you double your DNA and split twice, so that it would be a haploid cell. Normal somatic cells have 46 chromosomes in it, but you need it to be haploid so your partner can complete the cell and give they're DNA.
There are many traits that are determined by genetics alone, blood type, eye color and height.