Tectonic plates being pushed together causes earthquakes, and earthquakes are long preceded by tectonic shifts. Given these facts, earthquakes are caused by shifts in what among the following options: - earth - volcanoes - rocks - plates - Movement - ground - rain - lightning
plates

Fish have a circulatory system with a two-chambered heart, and fish species include salmon and trout. Given these facts, what has circulatory system with a two-chambered heart among the following options: - sharks - trout - pan - toads - Birds - animals - mammals - Man
trout

Oxygen is just one substance transported by the blood, and hemoglobin transports oxygen in blood. Given these facts, what transports oxygen among the following options: - Hemoglobin - hydrocarbons - orchids - roots - alpacas - burning coal - lungs - mammals
Hemoglobin

Aship is used for moving people across bodies of water, and an ocean is a large body of water. Given these facts, what is used to move people across an ocean among the following options: - A wagon - A wave - energy - wind - oil - dolphins - A ship - A catapult
A ship