Based on the picture. Which statement best describes the enzyme represented in the graphs?
O A. This enzyme works best at a temperature of 55°C and a pH of 11
B. This enzyme works best at a temperature of 20°C and a pH of 4
h
C. This enzyme works best at a temperature of 35°C and a pH of 8.
o D. This enzyme works best at a temperature of 50°C and a pH of 12.

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.