Answer:
The Answer is false
Explanation:
Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.
Answer is miles sir your welcome it was simple
Answer:

Explanation:
Given, for girl : Weight or force;

Area of both heels;


For elephant, Weight = Force
= 2000 kg•f
Area of 4 feet;


Now;



Thus, the girl's pointed heel sandals exert 12.5 times more pressure P than the pressure P exerted by the elephant.
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Answer:
Options A, D and E....make up cell theory
Answer:
frequency and amplitude increases