Betelgeuse is one of the largest known stars and is probably at least the size of the orbits of Mars or Jupiter around the sun. That's a diameter about 700 times the size of the Sun or 600 million miles. For a star it has a rather low surface temperature (6000 F compared to the Sun's 10,000 F).
The width is 2.5 cm long and could not be the right answer
B. Decreasing surface area of a solid reactant. The more surface area showing, the quicker the reaction rate.
Answer:
yes
Explanation: Work is done when there is movement. Therefore it was work was being done.