Which of the following is an example of diffraction?
you are able to see yourself in a mirror.
you can hear a smoke alarm located in the hallway from your bedroom.
you try to pick up a shell in the water but it isn't where it appears to be.
the speed of your car is determined using radar.

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.

What process creates gametes? a.fertilization b.mitosis c.meiosis

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)