Answer:
No
Explanation:
The same amount of matter is present before and after chemical and physical changes. Matter cannot be created or destroyed
Answer:
Which of the following happens during a lunar eclipse?
Select one:
a. Earth casts a shadow on the moon.
<u>b. The moon casts a shadow on Earth.
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c. Earth stops revolving in its orbit.
d. Earth starts revolving around the moon.
Explanation:
9.74x 2351 that's the answer
Answer:
Energy, 
Explanation:
It is required to find the energy of an electromagnetic wave with a frequency of 
. The energy of a wave in terms of its frequency is given by :
= frequency of em wave
So, the energy of an electromagnetic wave is 
A persons weight changes as he travels from earth to space but his mass remains the same
