Ella filled a bucket 7/10 of the way with water. she then poured out 2/10 of the water. how much water remains in the bucket?

 The water that remains in the bucket is

Explanation:

Let the total quantity of water that can be filled in the bucket be x litres

then, volume of water when ella filled it up =

amount of water taken out post that =

amount of water left in the bucket = amount of water when ella filled it up  - amount of water taken out post that =

Thus water remains in the bucket is

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.