D. Asteroids vary greatly in size and are mostly made up stone, iron and nickel
<u>Neptune</u> takes the longest amount of time to complete its orbit.
Fruit flies produce offspring relatively fast and have specific traits, such as eye color and body color/shape. They are easy to observe and their traits are easily traced throughout the next generations.
Normally it’s the plasmodesmata that allows exchange of molecules between adjacent cells. But I’m still not sure if water is included!
Chemical energy is stored in the battery cells and converted to electrical energy when it's needed by the toy robot
