<span>It is separated from the external ear by the
eardrum.</span>
20 percent.
Since one strand is 20, the opposite that would connect with it (Thymine) would have the same amount so the total would be 100.
Hope this helps!
The correct answer is option B. Wind-pollinated plants rely on large quantities of pollen grains.
The plants, which pollinate by wind spend less energy in creating attractive structures to attract pollinators, instead they produce many pollen grains, which are light and easy to carry by winds. the pollens are usually dry.
The angiosperm mostly rely on animal pollinator and they have large colorful flowers, which produce nectar to attract the insects or other animals.
Nitrogen released from dead matter goes into soil, helping/feeding the plants, who in turn give us oxygen
