If blowing air and causing it to vibrate makes a loud noise, then blowing and causing air to vibrate makes what? Answer choices: - expand - evaporate - kinetic energy - waves - Energy. - combine - loud noise - energy
loud noise

If absorbing energy causes metal to heat, then what causes metal to heat? Answer choices: - hydrogen and oxygen - electromagnetic energy - electricity - cooling nearby things - growth - absorbing energy - releasing energy - rays or beams
absorbing energy

Q: If threatening behavior towards porcupine by predators can cause the predator pain, then what can cause predators pain? Answer choices: - animals with backbones - Staying away from porcupine - Ignoring porcupine - pressure on the skin - Befriending porcupine - Threatening behavior towards porcupine - Something with a head, thorax, and abdomen - the body's largest organ
A: Threatening behavior towards porcupine

Question: If kidneys contain a system of blood vessels and tubules, then what contains a system of blood vessels and tubules? Answer choices: - clouds - kidneys - organ - density - lungs - complex - blood cells - alveoli
Answer: kidneys

*Question*
If viruses can be detected clinically, then what can be detected clinically? Answer choices: - clinics - viruses - murmur - ghosts - anemia - vampires - harm - sweating
**Answer**
viruses

*Question*
If adrenaline travel throughout the body in the blood, then adrenaline travel throughout the body via? Answer choices: - nerve cells - fascia - deltas - sweating - nerves - ligaments - electrically - the blood
**Answer**
the blood