Can someone me on multiple questions?

(science, marine science)

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 changes the stability of the element

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?