I do not see any possible answers that you have posted. But a good idea would be that it might have fossils, water currents, mud cracks, usually form in shallow seas. Hope this helps!
12gHe/1 × 1molHe/4.0026g × 6.02x10^23atomHe/1mol = 1.8 atoms
Answer: D:wavelenght
Explanation: Students will understand that shorter wavelengths have higher frequency and energy.
When it is acted upon by an outside force
All of the above will be affected by air resistance, but the most obvious will be the balloon or leaf.
Hope it helps somewhat!
