Answer the following question given this paragraph: An ecosystem consists of all the living things ( biotic factors ) in a given area, together with the nonliving environment ( abiotic factors ). The nonliving environment includes water, sunlight, soil, and other physical factors. Q: An ecosystem consists of all the living things and what? Choices: - living environment - phosphorescent environment - local environment - nonliving environment A:
nonliving environment
(Question)
Answer the following question given this paragraph: Recall that carbon dioxide travels through the blood and is transferred to the lungs where it is exhaled. In the large intestine, the remains of food are turned into solid waste for excretion. How is waste other than carbon dioxide removed from the blood? That is the role of the kidneys. Q: In what organ is food remains turned into solid waste for excretion? Choices: - non-transverse intenstine - large tissue - large metabolism - large intestine A:
(Answer)
large intestine
Ques: Answer the following question given this paragraph: Acid rain is rain that has a pH less than 5 ( Figure below ). Acidity is measured on the pH scale . Lower numbers are more acidic, and higher numbers are less acidic (also called more alkaline ). An acid has a pH of less than 7. The pH of normal rain is 5.6. It's slightly acidic because carbon dioxide in the air dissolves in rain. This forms carbonic acid, a weak acid. Q: What is the term for rain consisting of water with a ph below 5? Choices: - carbon rain - produce rain - Hot Rain - acid rain A:
Ans: acid rain
(Q).
Answer the following question given this paragraph: Energy is the ability to do work. When work is done, energy is transferred from one object to another. Energy can exist in different forms, such as electrical and chemical energy. Most forms of energy can also be classified as kinetic or potential energy. Q: Kinetic and potential are two forms of what? Choices: - pressure - fuel - exercise - energy A:
(A).
energy
Ques:Answer the following question given this paragraph: untreated, it produces severe brain damage and mental retardation. Albinism is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair. Cystic fibrosis, the most common inherited disease in the United States, blocks pancreatic function and causes thick mucus secretions that make breathing difficult. An area of intense research in combating cancer involves the synthesis of drugs that stop uncontrolled cell growth by interfering with DNA replication. Q: What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair? Choices: - hemophilia - anemia - mutations - albinism A:

Ans:albinism
Ques: Answer the following question given this paragraph: The breasts are not directly involved in reproduction, but they nourish a baby after birth. Each breast contains mammary glands , which secrete milk. The milk drains into ducts leading to the nipple. A suckling baby squeezes the milk out of the ducts and through the nipple. Q: What are the glands that secrete milk in a woman's breasts? Choices: - primordial glands - pituitary glands - lactic acids - mammary glands A:
Ans:
mammary glands