Answer:
C. Mitochondria
Explanation:
Viruses lack a mitochondria.
A. Tree leaves
Explain: because giraffes are herbivores their diet mainly consists of leaves and plants.
Areas of themselves and sicknesses
The appropriate response is classical conditioning. It is a learning procedure that happens when two boosts are over and over combined; a reaction that is at first inspired by the second jolt is at the end evoked by the primary jolt alone. Classical conditioning is the essential learning procedure, and its neural substrates are presently starting to be caught on.
<span>The reaction required an input of energy.</span>
