Question

please answer fast.... ​

Answer 1

Answer:

for question 9 answer is both A and R ar true, and R is correct explanation of the assertion (a)

because, stomach secrets enzyme for breaking down of food in simpler components,and hence digestion of food is a chemical change

(for first part ) for question 10 answer is A is true but R is false (c) as acceleration depends upon force ,as acceleration is rate of change of velocity,and velocity depends upon force

hope it is helpful ✨