Answer:
C. Develop new methods to test the hypothesis.
Explanation:
Edge 2020
The best example, from the choices given here, of an open system is a car engine. All of the other examples are of closed systems. The correct answer is B.
an alpine glacier is ice on the move in a river
5) A) <span>Lysosomes
6) C)</span><span>a tiny organism &
D) the basic unit of life
7) B) Chloroplast &
C) Mitochondria
Hope this helps!</span>