Answer:
nitrogenous bases from the cytoplasm link up with an exposed complementary base
The piano could only be played with 12 fingers, which is rare because humans normally have ten fingers.
Aromatic is a organic molecule that is a carbon
Answer:
Another evidence of evolution is the convergence of form in organisms that share similar environments.
Answer: Geologists and other Earth scientists use geologic time scales to describe when events happened in the history of Earth. The time scales can be used to show when both geologic events and events affecting plant and animal life occurred. The geologic time scale pictured below (Figure below) illustrates the timing of events like:
Earthquakes.
Volcanic eruptions.
Major erosion.
Meteorites hitting Earth.
The first signs of life forms.
Mass extinctions.
Explanation: