Henry will lift 200 N load 20 m up a ladder in 40 s. While the Ricardo will take 400 N load in 80 seconds. So, For Henry to take 400 N load it will take him 80 seconds in two attempts. And,also, he will have to cover 40 m of distance.
There are no inaccurate items on the list you provided.
And what does 'the following" mean anyway ?
Answer:Smaller Than the object and right-side up
Explanation:
Answer: 
Explanation:
Acceleration 
is defined as the variation of velocity 
with time 
:
Where:
Finally:
Those are all greenhouse gases but i'd say the answer is propane because it has the least carbon content
