4. A plane inclined at 30° to the horizontal is used to load a drum of oil weighing 700 N onto a cargo truck 2 m high. If the system
provides 75% efficiency, calculate its mechanical advantage.

Piercing and sucking mouthpart

Explanation:

Hope it helps.

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

mammal

explanation: