Answer the following question given this paragraph: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. Q: What supports life, and is also needed for the water cycle and weather? Choices: - fossil fuels - oxygen - greenhouse gas - atmosphere A:
atmosphere
Answer the following question given this paragraph: Breast cancer is the most common type of cancer in females. It occurs when cells in the breast grow out of control and form a tumor. Breast cancer is rare in teens but becomes more common as females get older. Regular screening is recommended for most women starting around age 40. If found early, breast cancer usually can be cured with surgery. Q: What disease occurs when cells in the breast grow out of control and form a tumor? Choices: - adult breast growth - muscle cancer - muscular cyst - breast cancer A:
breast cancer
Q: Answer the following question given this paragraph: Adolescence includes the physical changes of puberty among other changes. Q: Puberty and other physical changes occurs during which stage of development? Choices: - childhood - infancy - adulthood - adolescence A:
A: adolescence
Question: Answer the following question given this paragraph: Q: Which system carries out long-distance transport of materials between the root and shoot systems? Choices: - circulatory tissue system - reproductive tissue system - perceptual tissue system - vascular tissue system A:
Answer: vascular tissue system
*Question*
Answer the following question given this paragraph: Pure Substances and Mixtures A pure chemical substance is any matter that has a fixed chemical composition and characteristic properties. Oxygen, for example, is a pure chemical substance that is a colorless, odorless gas at 25C. Very few samples of matter consist of pure substances; instead, most are mixtures, which are combinations of two or more pure substances in variable proportions in which the individual substances retain their identity. Air, tap water, milk, blue cheese, bread, and dirt are all mixtures. If all portions of a material are in the same state, have no visible boundaries, and are uniform throughout, then the material is homogeneous. Examples of homogeneous mixtures are the air we breathe. Q: What type of substance is any matter that has a fixed chemical composition and characteristic properties? Choices: - physical substance - versatile chemical substance - seawater chemical substance - pure chemical substance A:
**Answer**
pure chemical substance
(Question)
Answer the following question given this paragraph: So what happens to your body's wastes? Obviously, you must get rid of them. This is the job of the excretory system. You remove waste as a gas (carbon dioxide), as a liquid (urine and sweat), and as a solid. Excretion is the process of removing wastes and excess water from the body. Q: What body system gets rid of waste? Choices: - digestive system - Muscular system - nervous system - excretory system A:
(Answer)
excretory system