Answer:
1) Waterfalls also create erosion. Soft rock erodes, leaving a hard ledge that it washes over. Rocks fall over the waterfall and swirl around in the pool, creating more erosion. The process is repeated, and the waterfall retreats, leaving a gorge behind.
2) Coastal erosion from oceans is always occurring. An eroding beach can lose several feet of sand in one year. In California, waves and rain create mudslides that take down houses by the dozen.
Answer:
b
Explanation:
because of oil and rare materials at the floor of the ocean
Positive - Due to urbanization, the people of rural areas settle in urban cites. These reduces the labour work which was done in rural areas and as they get water and electricity. The reduced labour work help them in maintaining their physical health
Negative - If people continues to enjoy the facilities and sit ideally doing nothing is much more worse than the above one. It causes obesity and can ultimately lead to heart attack
Answer:
D.This process requires the interaction of several different cellular structures,
Explanation:
We don't have the information above. However, this process occurs in all cells, and it requires energy. Semi-conservative refers to the fact that, during DNA replication, each new molecule of DNA is made up of one strand of the original DNA molecule and one strand of a new molecule.
The synthesis of proteins from the information in an mRNA molecule does require several structures in the cell, including the nucleus, ribosomes, endoplasmic reticulum and Golgi apparatus.
