Answer:
some plants have thorns some animals have spikes
Explanation:
Conduction is when heat is transferred through direct contact.when molecules get heat they move faster and vibrate then bumping in to other particles transferring the heat passing the energy around
It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.
Answer:
The correct answer is option d.
Explanation:
An extinct species of australopithecine, that is, Australopithecus africanus was the first species to be illustrated. It was of gracile or slender build and was considered to have been the direct ancestor of modern humans. Like modern man, the A. africanus did stood upright and walked upright, and were having free hands to use. However, they were smaller in height and lighter in weight in comparison to modern man.
