Fact 1: Rocks interacting with wind over long periods of time causes weathering. Fact 2: Erosion happens when water or wind wears away bits of rock. Given the two facts above, answer the question "what causes weathering over long periods of time?" with the following options: - rocks - coastlines - respiration - alluvial - erosion - loose soil - rainfall - perspiration
erosion

(Question)
Fact 1: Landfills have a negative impact on the environment. Fact 2: An ecosystem is an environment and all the members of that environment. Given the two facts above, answer the question "What do landfills have a negative impact on?" with the following options: - The atmosphere - Ecosystems - earth - animals - Impact crater - Garbage - humans - Refuse containers
(Answer)
Ecosystems

Ques: Fact 1: Infection can cause bodily tissues to swell. Fact 2: HIV infection is a chronic lifelong infection. Given the two facts above, answer the question "what can cause bodily tissues to swell?" with the following options: - p53 - invisible light - HIV - skin - AIDS - HPV - lung - clouds
Ans: HIV

(Q).
Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are produced by plasma cells. Given the two facts above, answer the question "What secrete antibodies?" with the following options: - parasites - barnacles - the body's largest organ - major threat to health - activated b cells - resistance activities - fur seals - it keeps an organism warm
(A).
activated b cells

Ques:Fact 1: Disease-causing microbes have a negative impact on the body. Fact 2: Microbes are tiny living cells. Given the two facts above, answer the question "What can cause disease, and have a negative impact on the body?" with the following options: - Tiny living cells. - dead organisms - smoking tobacco - deoxyribonucleic acid - single-celled organisms - Body doubles. - Negative balance. - Crater impact.

Ans:Tiny living cells.

Fact 1: Creating paper requires cutting down trees. Fact 2: Pulped wood is used to make paper. Given the two facts above, answer the question "what requires cutting down trees?" with the following options: - swamp vegetation - to move people - vehicles - Greenhouse gases - pulped wood - burning - deforestation - fossil fuels
pulped wood