Which is true about reflected rays. Group of answer choices

All reflected rays change speed.

Reflected rays enter a new medium.

The angle they reflect at is the same as the angle at which they contact the surface.

Reflected rays are bent around a corner.

Which of the following explains why a tree is often used as a model to represent the principle of common descent

What is it called when lava when it erupts from the surface through volcanoes.

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)