Answer:
I think its c Scientists cannot determine how it changes.
d). It increases over time.
Answer:
i wish i knew but i dont sorry
Explanation:
Man im sorry i dont know because i should now it but sorry
Answer:
Option A) is correct.
Explanation:
Electromagnetic waves refer to waves that are created due to vibrations between a magnetic field and an electric field.
Electromagnetic waves do not require a medium to travel through space without a medium. Electromagnetic waves can travel through air, vacuum of space and solid materials.
So,
Option A) is correct.
The scientists who provided this hypothesis had an idea that the species evolved in order to accommodate their needs on certain islands. For instance, an example is beak size of certain birds which Darwin thought that this was to eat certain foods.
