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.
Answer:
it is also transfer in chemical energy
Answer:
I don't think much would change more animals would have lot of food and we would have lot of air
Answer:
Bromine (Br)
Explanation:
Bromine (Br) is the 35th element in the periodic table. Its atomic weight is 79.9 daltons. Elemental bromine exists as a diatomic form (Br 2).
