You are presented with the question "pushing on the pedals of a bike cause what?" and the following answer choices: - electromagnetic energy - Pollution - friction reduction - kinetic energy - decreases its bodily water - mechanical - get started - Heart rate Now knowing that pushing on the pedals of a bike cause that bike to move and wheels reduce friction with the floor to help cars move, choose the best answer.
friction reduction
You are presented with the question "What do clownfish seek shelter in?" and the following answer choices: - coral - deltas - alveoli - burrs - wetland - bushes - keratin - islands Now knowing that coral reefs provide food and shelter to many ocean organisms and some fish, like the clownfish, spend most of their lives in and around coral reefs, choose the best answer.
coral
Q: You are presented with the question "what type of antigens does the immune system recognize as foreign to the body?" and the following answer choices: - animals - epidermal - Allergies - negative - dangerous - graptolites - group of atoms - homogenous Now knowing that antigens are molecules that the immune system recognizes as foreign to the body and molecules are a group of atoms, choose the best answer.
A: group of atoms
Question: You are presented with the question "what has a positive impact on the environment?" and the following answer choices: - temperature - reusing things - a hydraulic system - water conservation - peachleaf willow - density - Green beans - addition Now knowing that recycling has a positive impact on the environment and recycling means reusing things, choose the best answer.
Answer: reusing things
*Question*
You are presented with the question "A radio converts electrical energy into what?" and the following answer choices: - sound - waves - photons - touch - engines - light - smell - motion Now knowing that aradio converts electrical energy into vibrations and sound is vibrational energy, choose the best answer.
**Answer**
sound
*Question*
You are presented with the question "What happens to a orchid when a nearby tree falls?" and the following answer choices: - dormant state - It gets more light - It becomes dormant - They may not survive. - It remains dormant - It dies - It gets less water - It less light Now knowing that if a tree falls then sunlight becomes available to the surrounding plants and encroaching trees rob the orchids of the sunlight they require, choose the best answer.
**Answer**
It gets more light