Answer:
Hot and something you do not touch
Explanation:
The tree I know is producer
Answer:
A device designed to transmit electromagnetic waves through the air should be developed.
Answer:
The mass of objects remains constant throughout the universe. This is because an object is made of he same amount of matter (atoms), no matter where you take it in the universe. If you take an object from the Earth to the moon, only the weight will change.
Explanation:
