You are presented with the question "Hay fever is caused by " and the following answer choices: - one celled organisms - bacteria - viruses - chemical messengers - carbon - heat energy - plant reproduction - single-celled organisms Now knowing that plant reproduction often requires pollen and hay fever is caused by an allergy to pollens or moulds, choose the best answer.
plant reproduction
(Question)
You are presented with the question "What causes tremors?" and the following answer choices: - thunder - Electrical energy - fire - faulting of rocks - sensory neurons - energy of moving objects - tornadoes - electromagnetic energy Now knowing that faulting of rock in Earth 's crust causes earthquakes and earthquakes tremors both mild and moderate are frequent occurrences in the park and preserve, choose the best answer.
(Answer)
faulting of rocks
Ques: You are presented with the question "what does a generator use?" and the following answer choices: - acid - engines - air - cycles - A kernel - water - fossil fuel - to move people Now knowing that agenerator converts kinetic energy into electrical energy and and that energy is generated by burning fossil fuel, choose the best answer.
Ans: fossil fuel
(Q).
You are presented with the question "an image in a mirror is formed by reflecting" and the following answer choices: - sunlight - radiation - atoms - gravitions - Joules - photons - sun's heat - Smooth Now knowing that an image in a mirror is formed by reflecting light and light is made of photons , choose the best answer.
(A).
photons
Ques:You are presented with the question "Pollen consists of tiny grains that are the _ of plants." and the following answer choices: - Mitosis - made - small - sperm - seeds - honey - flowers - edible Now knowing that pollen consists of tiny grains that are the male gametes of plants and male gametes are called sperm, choose the best answer.

Ans:sperm
Ques:You are presented with the question "What causes diseases?" and the following answer choices: - water - air - smoking - fungi - insects - Papilloma - sunlight - Pollution Now knowing that viruses cause many human diseases and another virus is the Human Papilloma virus, choose the best answer.

Ans:
Papilloma