What does the evidence supporting the Big Bang theory assume about the universe when it began? Select the two correct answers (1poont) It was very tiny.

It was composed of ice.

It was contracting

It was extremely hot.

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.