What type of reaction occurs in the cores of stars to create their tremendous amounts of energy?

a. fusion

b. fission

c. physical

d. chemical

5. The moon's gravity is one-sixth that of the earth. What is the period of a 0.50 m long pendulum on the moon?

Which one of these are non-contact forces friction gravity normal force pushing force

Given only one 35 and one 50 resistor, list all possible values of resistance that can be obtained. (Give values in ascending order. Enter 'none' in all remaining unused answer boxes, if any.)

What phylum does a star fish belong to

What three ways does the respiratory system modify air before it reaches the lungs?

If the resistance of a circuit increases, that means that the current has to

One watt is equal to which of these values? 1 joule/hour 1 joule-hour 1 joule/second 1 joule-second

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate

Katie runs 6 km in 0.6 hour, then 5 km in 0.5 hour. Katie's average speed is __ per hour.

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)