Cleared riverbeds Created staircase locks to move up and down natural elevations
Deep cuts busted into rocky plateaus
Created cement to harden under water
15. These environmental modifications were made in order to construct the -
a. Lowell Mills
b. Transcontinental Railroad
C. Erie Canal
d. Port of Baltimore

While these modifications directly impact the local environment, they also ... For example, when a dam is built, less water flows downstream. ... <p>The mountains of the Cascade Range are visible over the Bonneville Dam

£116.67

Step-by-step explanation:

Given;

Nar donated to 4 charities last year. She gave £175 to each of these charities.

The total amount Nar donated is;

Nar = 4 × £175 = £700

For Rana to donate the same amount equally among 6 charity, to determine the amount each charity would receive this year, we need to divide the total amount by the number of charities;

A = £700/6

A = £116.67