I would say maybe natural materials such as copper, gold, and diamonds, because they all come from the ground
Answer:
D. Sound
Explanation:
When the crickets are chirping, it is producing noise, also known as sound
Answer:
the function of the digestive system is digestion and absorption. digestion is the breakdown of food into small molecules, which are then absorbed into the body. the digestive system is divided into two major parts.
2. A
3. D (got cut off but the others don’t seem right)
4. D
Hopefully these are correct
Answer:
d. ligand-gated ion channel
Explanation:
When a neurotransmitter released from the pre-synaptic neuron binds to a ligand-gated ion channel on the post-synaptic neuron, that neuron depolarizes and fires.
