Models are simplified representations of of different complex systems. They also help to study very small or large objects.
Option B, D and E.
Explanation:
Models are very simplified representations of complex systems and organs or structures which are prepared to study those systems by scientists and normal people easily. Many structures of human body like cells or some tissues are very small in structure or microscopic in nature. So studying them are very hard without specific instruments which are not always available. Thus models are made to easily study those structures by scientists and even normal people and students.
Explanation:
why u want to know why u disturb ur mind by things which are already written in books
I think it is D) Both processes involve energy transformations
hope this helps:)
Answer: An exoskeleton is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton of, for example, a human. i think its B
Explanation: hope this helps!
<span>but after swimming for a while, the water feels fine. A friend asks you how the water is, and you tell her the “water’s great.” She jumps in and then accuses you of lying because the water is freezing. You really were not lying. It is just that you experienced</span>