Will mark brainliest!

the diagram shows the moon and earth in space.
which is the best label for the dotted-line arrow?

force of earth’s gravity
moon’s attraction to the sun
moon’s motion without gravity
orbit of the moon around earth

Why do you think the puppy litter was all dark-haired?

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. this is an example of speciation.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers