A survey would be reliable if it had the same results, because then it would have been proven time and time again that it is credible. It is valid when it measures to what it intends to measure, because if it didn't, how would it be valid? In order for it to be valid, it has to make sense and measure what it intends to measure. The answer is D: reliable; valid.
Answer: it’s called Liberal feminism.
Explanation:
Liberal feminism, sometimes known as mainstream feminism, is a subset of feminism that focuses on achieving gender equality through political and legal reform within a liberal democratic framework.
My best guess is Convergence or Texture Gradient
Bird and egg drop experiment are similar in nature. When the birds fly and have wings they slow down when they are landing.