Answer:
The environmental protection agency needs to inspect the ship and make sure it is safe before giving the ok.
Explanation:
this agency is doing its job due to they have to be sure that this ship will be sure for the marine life.
Answer:
4.30 x 10⁵ N/C
Explanation:
Two positive +3.0-μC point charges at opposite corners of the square creates equal and opposite electric field at the center. hence the electric field by these two positive charges at opposite corners becomes zero.
= length of the square of side = 0.50 m
= distance of the center from each corner = 
Magnitude of net electric field at the center is given as

Answer:
All kinds of waves have the same fundamental properties of reflection, refraction, diffraction, and interference, and all waves have a wavelength, frequency, speed, and amplitude.
Explanation:
Definitely 4 because it’s u for I hi ub u