Q: If frogs are vertebrates with four limbs, then what are vertebrates with four limbs? Answer choices: - humans - frogs - fish - Birds - phytoplankton - coral - bears - goats
A: frogs

Q: If athreatening behavior by a fisher can make a porcupine extend its quills, then what might a porcupine do if threatened by a fisher? Answer choices: - dig in the dirt - Decrease bodily water - killing insects - lower its quills - kill them - humans disturb it - show its teeth - show its quills
A: show its quills

Q: If earth's tilt on its spinning axis causes the seasons to change, then what does Earth's tilt on spinning axis change? Answer choices: - distance - Static electricity - The sun's rays - Black holes - Joules - Seasons - spring - climate
A: Seasons

Q: If heating water can be used to identify water's boiling point, then what can be identified after heating water? Answer choices: - Chemical energy - organisms - frozen water - its freezing point - Movement of an air mass - its boiling point - objects that have mass - magma's boiling point
A: its boiling point