Using Newton's second law
W=Fd
if F= 20N
d= 5m
W=Fd
=(20)(5)
= 100 J
Answer:
Trees have to adapt to their environments in order to survive them, from the shape of their leaves to the size of their branches. They also have had to adapt the shape of their crowns to the kind of climate they live in so that they may have better chances at survival.
In warm areas with lots of sunlight for instance, you will see broad cones as the tree takes advantage to get as much sunlight as it can. In colder areas where snow is abundant, trees will be conical in shape so as not to gather too much snow when it falls.
Answer: B. Rough strained and heat killed smooth strain kills mouse
Explanation:
Answer:
The teeth in the mouth bite off a piece of food.
The teeth continue to break the food into smaller pieces.
Saliva rushes into the mouth and mixes with the broken-down food.
The food travels down the esophagus.
The muscles of the stomach churn the food and continue to break it down.
The broken-down food, called chyme, enters the small intestine.
The remaining food passes into the large intestine. Water is absorbed from the large intestine and the rest of
the material is stored as solid waste until it is excreted from the body.
Explanation:
identical twins that were adopted and raised by different families
Explanation: