Match the following celestial bodies with the correct description. 1. made mostly of hydrogen and helium

meteoroid

2. hottest planet in the solar system

comet

3. have heads and tails

Venus

4. pieces of metal or stone that come into Earth's atmosphere

sun
5. orbit around planets
satellite

Which of the following represents a negatively charged ion? of t 7

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

What will happen if two of the base pairs of the stand of the dna are switched