Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids. Fact 2: Booster shots are needed periodically to build up the passive immunity again. Given the two facts above, answer the question "What are needed after antibodies won't survive in body fluids?" with the following options: - booster shots - Veins and arteries. - chicken pox - Energy. - gun shots - kinetic energy - diseased tissue - turn to a doctor
booster shots

Fact 1: Mutation creates new genetic variation in a gene pool. Fact 2: Most mutations are beneficial to the organism. Given the two facts above, answer the question "Most what in a gene pool are beneficial to organisms?" with the following options: - resistance activities - genetic ties - genetic distractions - Plant reproduction - fur and fat - resistance - genetic variations - genetic similarities
genetic variations

Q: Fact 1: Nectar is used for attracting pollinators by plants. Fact 2: POLLINATION Pollination is essential for fruit production. Given the two facts above, answer the question "What can be essential for fruit production?" with the following options: - hormones - food - ribosomes - gene flow - nectar - Collagen - Enzymes - seeds
A: nectar

Question: Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Forest environments collapse. Given the two facts above, answer the question "What has a negative impact on forests?" with the following options: - local fauna - local flora - humans disturb it - deforestation - erosion of soil - smallpox - local wildlife - vehicles
Answer: erosion of soil

*Question*
Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy. Fact 2: Today, new kinds of windmills, called wind turbines, generate electricity. Given the two facts above, answer the question "What type of energy does a wind turbine use to convert wind energy?" with the following options: - energy - unidirectional - mechanical - thrust - waves - rays or beams - direct energy - adding heat
**Answer**
mechanical

(Q).
Fact 1: Centrioles are organelles involved in cell division. Fact 2: Centrioles come in pairs. Given the two facts above, answer the question "Organelles involved in cell division come in what groups?" with the following options: - plants - Groups of five - Pairs - complex - Groups of four - Groups of three - rings - three
(A).
Pairs