You are presented with the question "earthquakes are caused by shifts in what?" and the following answer choices: - earth - volcanoes - rocks - plates - Movement - ground - rain - lightning Now knowing that tectonic plates being pushed together causes earthquakes and earthquakes are long preceded by tectonic shifts, choose the best answer.
plates

You are presented with the question "What has circulatory system with a two-chambered heart?" and the following answer choices: - sharks - trout - pan - toads - Birds - animals - mammals - Man Now knowing that fish have a circulatory system with a two-chambered heart and fish species include salmon and trout, choose the best answer.
trout

You are presented with the question "What transports oxygen?" and the following answer choices: - Hemoglobin - hydrocarbons - orchids - roots - alpacas - burning coal - lungs - mammals Now knowing that oxygen is just one substance transported by the blood and hemoglobin transports oxygen in blood, choose the best answer.
Hemoglobin

You are presented with the question "What is used to move people across an ocean?" and the following answer choices: - A wagon - A wave - energy - wind - oil - dolphins - A ship - A catapult Now knowing that aship is used for moving people across bodies of water and an ocean is a large body of water, choose the best answer.
A ship