The answer to this question is false.
Answer:
Rust is a compound. What makes iron rust is its reaction with oxygen and moisture in the air.
Answer:
All the competitors will move with the same velocity.
Explanation:
Here, the situations for each competitor are identical. Thus, they will exert the same force and hence, their velocities at each instants will be identical.
Answer:
Complementary colors.
Split complementary colors.
Analogous colors.
Triadic harmonies.
Tetradic harmonies.
Monochromatic harmonies.
Explanation:
21. light changes its direction when travelling through a new medium because denser mediums have a higher angle of refraction.
