Classify the triangle based on the side lengths 9, 40, and 41

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?

What is the correct lewis dot structure for arsenic?