Answer:
tsunami
Explanation:
caused by an earthquake and is one of the most destructive and devastating natural disasters
Answer: B. Melting temperatures of primer should be between 55-80 degree Celsius.
Explanation:
Bacause the melting temperature controls the binding of the primers to your template DNA. At melting temperature 50% of the primer molecules are bound to their corresponding target sequence. If the difference in melting temperature between the two primers is too high, it might be difficult to find experimental conditions where both primers can bind to their target.
<span>Tariffs shield new industries in the early stages of their development from the competition of more mature rivals.</span>
Answer:
False
Explanation:
The parachute on a dandelion makes it easily transportable by AIR.
The parachute helps in creating air resistance, and helps the dandelion to glide through the air. The presence of the parachute also plays an important role in the dispersion of its seeds.
Rachel Carson played a key role in the birth of environmentalism in the 20th century.
She became increasingly aware of the harmful facts of insecticide DDT on the environment. This compelled her to write her most famous work Silent Spring and defending herself against attacks from commercial interests.
The book also played an influential part in persuading governments to ban or heavily restrict the use of DDT and similar chemicals that persist in the environment.
