Answer:
v = 1.5 m/s
Explanation:
Given that,
Distance covered by a person, d = 105 m
Time taken, t = 70 s
We need to find the average speed of the person. We know that the average speed is given by :

So, the average speed of the person is equal to 1.5 m/s.
C. the expansion of the universe is accelerating
Answer:
A
Explanation:
Mutualism is A symbiotic relationship between two species in which both partners benefit
Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well
Answer:
A
Explanation:
I believe it is negative 1.