Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are produced to fight antigens. Given the two facts above, answer the question "what do plasma cells secrete?" with the following options: - Chemical energy - h2o - oxygen - antigen fighters - harmful substances - bioaerosols - mucus - Organic compounds
antigen fighters

Fact 1: Thick fur can be used for keeping warm. Fact 2: All bears are covered with heavy fur. Given the two facts above, answer the question "What keeps warm?" with the following options: - bushes - muscles - Limbs - fibers - keratin - skin - bears - hair
bears

Q: Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: All humans are mammals. Given the two facts above, answer the question "what can generate little bursts of heat by shivering?" with the following options: - rabbit - goats - bears - humans - clouds - trees - animals - the sun
A: humans

Question: Fact 1: Producers make food from inorganic molecules. Fact 2: Plants are known as producers . Given the two facts above, answer the question "Plants make food from what?" with the following options: - Chemical energy - inorganic molecules - photosynthesis - Light passing through water - direct energy - absorb light energy - Organic compounds - In their leaves
Answer: inorganic molecules

*Question*
Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease. Fact 2: Then dawn breaks and with it comes daylight, illumined by the sun. Given the two facts above, answer the question "what decreases when the season changes from summer to fall?" with the following options: - amount illumined by the sun - crime - exposure to cold - h2o - gravity - basic building blocks of life - a hemisphere is tilted away from the sun - wavelengths and photons
**Answer**
amount illumined by the sun

(Q).
Fact 1: Roots grow in length and width from primary and secondary meristem. Fact 2: Vascular cambium is a primary meristem. Given the two facts above, answer the question "The vascular cambria allows:" with the following options: - Exfoliation - roots to grow - plant - movement - Animal survival - soil - liver - rapid expansion
(A).
roots to grow