Question

i am 9th student please answer this question​

Answer 1

Answer:

5th question answer

Explanation:

it was because of newton's first law of motion.

Inertia of rest

Answer 2

3. Eukaryotic cells have well defined nucleus and all memberane bound cell organelles and 70s ribosomes due to which the can carry out all life processes and are most efficient.

4. In salt solution the concentration of solvent is less than that of cell .That is why salt solution is hypertonic solution and due to exosmosis the cell shrinks.

5. when branches of tree as shaked victoriously, due to inertia of rest leaves have the tendency to stay in in their rest position so some leaves with weak petiole get detached.