Answer:
The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.
Explanation:
Answer:
True
Explanation:
During the late 1950s and early 1960s, Werner Arber and several others extended the work of an earlier Nobel laureate, Salvador Luria, who observed that bacteriophages (viruses that infect bacteria) not only induce hereditary mutations in their bacterial hosts but at the same time undergo hereditary mutations themselves. Werner Arber’s research was concentrated on the action of protective enzymes present in the bacteria, which modify the DNA of the infecting virus e.g., the restriction enzyme, so-called for its ability to restrict the growth of the bacteriophage by cutting the molecule of its DNA to pieces.
Answer:
Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
Explanation:
Oil has definitely and negatively impacted the social, political, and financial factors of the Middle East.
<h3>How does oil have an effect on the economy of Middle East?</h3>
Oil has elevated the wealth of the economic system however additionally caused overseas debt. It stored Saudi Arabia out of the Arab Spring, however, has caused political corruption in a few countries.
The oil-rich monarchies have extremely wealthy, and the rate of corruption has increased in the Middle East.
therefore, the biggest challenge faced by the Middle East due to oil is Corruption.
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