You are presented with the question "What has a circulatory system with one or two hearts that pump blood?" and the following answer choices: - a fish - sharks - abalone - elephants - humans - crocodiles - giraffes - fur seals Now knowing that mollusks have a circulatory system with one or two hearts that pump blood and an abalone is a shellfish or mollusk, choose the best answer.
abalone
(Question)
You are presented with the question "What helps pollinates plants?" and the following answer choices: - Birds - A quiet location - animals - Bats - A sandy ground - Severe thunderstorms - insects - Bees Now knowing that nectar is used for attracting pollinators by plants and the birds enthusiastically sought nectar, choose the best answer.
(Answer)
Birds
Ques: You are presented with the question "Two forces at an equilibrium on an object in opposite directions will keep the object what?" and the following answer choices: - energy - yanked - mechanical - moving - stationary - It will move. - kinetic energy - pulled Now knowing that if two balanced forces act on an object in opposite directions then that object will remain stationary and if an object is at equilibrium, then the forces are balanced, choose the best answer.
Ans: stationary
(Q).
You are presented with the question "What organ in the body can protect you from toxins?" and the following answer choices: - cells - gills - HIV - skin - immune - rabies - lungs - Herpes Now knowing that skin is used for protecting the body from harmful substances and natural toxins can be harmful too, choose the best answer.
(A).
skin
Ques:You are presented with the question "what is forced against the seed coat to cause the root to emerge from a seed?" and the following answer choices: - germination - UV - urea - h2o - sunflower - rain - oil - newtons Now knowing that the force of water against the seed coat causes a root to emerge from a seed and water is made up of H2O molecules, choose the best answer.

Ans:h2o
Ques:You are presented with the question "What is bad for water?" and the following answer choices: - pollution - seaweed - flooding - rain - deforestation - Pesticides - Wet weather - fresh water Now knowing that acid rain has a negative impact on water quality and acid rain is caused by pollution, choose the best answer.

Ans:
pollution