Answer:
With changing speed and/or in a circle
Baking a cake creates a endothermic reaction. When heated, the baking soda/powder reacts, the eggs change form, and everything else follows suit. The baking soda/powder creates the rising of the cake.
The dolphin would send an underwater message because the water is denser than air and therefore the sound would be louder and would travel faster. The denser the object the faster the sound travels.
There is synthesis
decomposition
double displacement
single displacement
combustion
metathesis
so i guess you could say 6
1). Oört Cloud
2). Kuiper Belt
3). asteroids
4). meteorite
Note:
Your teacher doesn't need this information !
Your teacher needs for you to LEARN stuff.
You have the answers now, but until you memorize the information,
you haven't learned anything.
