Answer the following question given this paragraph: Living things need nonliving matter as well as energy. What do you think matter is used for? It's used to build bodies. It's also needed to carry out the processes of life. Any nonliving matter that living things need is called a nutrient . Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycled in ecosystems. In the figure below, you can see how ( Figure below ). Q: Unlike energy, what happens to matter in ecosystems? Choices: - it is filtered - it does not exist - it is destroyed - it is recycled A:
it is recycled
Answer the following question given this paragraph: Does everyone who smokes develop lung cancer? No, of course not. Is it possible to get lung cancer without smoking? Sadly, yes it is. That's not to say there is no relationship between the two: smoking is still the leading cause of lung cancer. But it does suggest that a person's genetic background has a role in this process. Apart form true single gene disorders, environmental factors, or environmental triggers , may determine the development of disease in individuals genetically predisposed to a particular condition. Environmental triggers may include stress, physical and mental abuse, diet, exposure to toxins, pathogens, and radiation. Many cancers are thought to have an environmental component. It has been suggested that environmental factors play a role in autism as well. Asthma is obviously triggered under certain environmental conditions. Q: Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma? Choices: - emotional - critical - ecological - environmental A:
environmental
Q: Answer the following question given this paragraph: Parasitism is a symbiotic relationship in which the parasitic species benefits while the host species is harmed. Q: What do you call the symbiotic relationship where a parasite benefits while the host is harmed? Choices: - hostism - symbolic damage - invasion - parasitism A:
A: parasitism
Question: Answer the following question given this paragraph: A fullerene (also called a Bucky ball) is a form of carbon in which carbon atoms are arranged in a hollow sphere resembling a soccer ball (see Figure below ). Each sphere contains 60 carbon atoms, and each carbon atom is bonded to three others by single covalent bonds. The bonds are relatively weak, so fullerenes can dissolve and form solutions. Fullerenes were first discovered in 1985 and have been found in soot and meteorites. Possible commercial uses of fullerenes are under investigation. Q: A form of carbon in which carbon atoms are arranged in a hollow sphere is known as? Choices: - chondrite - amines - analyte - fullerene A:
Answer: fullerene
*Question*
Answer the following question given this paragraph: Helium has long been used in balloons and blimps. Since it is much less dense than air, it will float above the ground. We can buy small balloons filled with helium at stores, but large ones (such as the balloon seen above) are much more expensive and take up a lot more helium. Q: What sort of gas is found in balloons and blimps, and is used to make them float in the sky? Choices: - oxygen - hydrogen - radon - helium A:
**Answer**
helium
Answer the following question given this paragraph: 22.3 Magnetic Fields and Magnetic Field Lines Magnetic fields can be pictorially represented by magnetic field lines, the properties of which are as follows: 1. The field is tangent to the magnetic field line. Field strength is proportional to the line density. Field lines cannot cross. Field lines are continuous loops. Q: An infection may be intracellular or extracellular, depending on this? Choices: - pollen - microbes - bacteria - pathogen A:
pathogen