Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Bodies are physical entities. Given the two facts above, answer the question "What are molecules that the immune system recognizes as foreign to the physical entity?" with the following options: - bacteria - proteins - antibodies - Allergies - negative - immunities - parasites - antigens
antigens

Fact 1: Viruses are so small that they can be seen only with an electron microscope. Fact 2: Electron microscopes are needed to see viruses. Given the two facts above, answer the question "What can viruses be seen with?" with the following options: - eye - A computer - magnifying glass - microscope - the skin - radiation - Chemical energy - glasses
microscope

Q: Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Manatees are slow moving animals. Given the two facts above, answer the question "What do manatees convert into mechanical energy?" with the following options: - major threat to health - chemical energy - direct energy - electrical energy - objects that have mass - fossil fuels - photosynthesis - adding heat
A: chemical energy

Question: Fact 1: High pressure systems cause clear weather. Fact 2: Also known as an cyclone , it is the opposite of an area of high pressure , or a anticyclone. Given the two facts above, answer the question "Anticyclones cause what?" with the following options: - global warming - colder weather - Greenhouse gases - clear weather - Dehydration - erosion - flooding - contamination
Answer: clear weather

*Question*
Fact 1: Tectonic plates being pushed together causes earthquakes. Fact 2: An earthquake hits San Francisco causing major damage. Given the two facts above, answer the question "what has tectonic plates?" with the following options: - San Francisco - outer space - atmosphere - h2o - coral reefs - humans disturb it - Physical weathering - threatened
**Answer**
San Francisco

(Q).
Fact 1: If fossils of a water animal or plant are found in a place then that place used to be covered by water in the past. Fact 2: Common fossils include plant fossils like ferns. Given the two facts above, answer the question "Fossils are found in places that were previously covered in what?" with the following options: - matter - earth - soils - dirt - water - wetland - rocks - erosion
(A).
water