"The half of the Moon that points toward the Sun looks bright because it is lit by sunlight. The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. ... As it moves around Earth, more and more of the lit side comes into view."
If Josh finds that there definitely is a relationship between enzyme action and temperature and graphs his results and the enzyme functions as a biological catalyst and has its optimum effectiveness at 39 degrees. The correct answer to the following given statement above is B.