Answer the following question given this paragraph: lead: An element that was once commonly used in gasoline and paint, is now found to have dangerous effects, such as brain damage. Lead contamination has many harmful effects on the body. Q: What element once commonly used in paint and gasoline has now been found to have dangerous effects? Choices: - plastic - chromium - niacin - lead A:
lead
Answer the following question given this paragraph: An important function of the circulatory system is transporting oxygen to cells. Q: Which system transports oxygens to cells? Choices: - vascular system - nervous system - oxy system - circulatory system A:
circulatory system
Q: Answer the following question given this paragraph: Energy and heat are expressed in units of joules. Q: Both energy and heat can be expressed in units of what? Choices: - amperes - velocities - ohms - joules A:
A: joules
Question: Answer the following question given this paragraph: Q: What happens when water is removed from the endospore? Choices: - reversal - suspension - hibernation - its metabolism halts A:
Answer: its metabolism halts
*Question*
Answer the following question given this paragraph: Figure 28.18 Momentum is an important concept for these football players from the University of California at Berkeley and the University of California at Davis. Players with more mass often have a larger impact because their momentum is larger. For objects moving at relativistic speeds, the effect is even greater. (credit: John Martinez Pavliga). Q: Why do players with more mass often have a larger impact in football? Choices: - potential energy is lower - kinetic energy is lower - Velocity is larger - momentum is larger A:
**Answer**
momentum is larger
*Question*
Answer the following question given this paragraph: The mouth and stomach are just two of the organs of the digestive system. Other digestive system organs are the esophagus, small intestine, and large intestine. Below, you can see that the digestive organs form a long tube ( Figure below ). In adults, this tube is about 30 feet long! At one end of the tube is the mouth. At the other end is the anus. Food enters the mouth and then passes through the rest of the digestive system. Food waste leaves the body through the anus. Q: The mouth, stomach, esophagus, small intestine, and large intestine are all part of what organ system? Choices: - muscular - respiratory - lymphatic - digestive A:
**Answer**
digestive