Morris needs to build a new ramp outside of the front door of the office building. In order to do this, Morris needs wood to make the ramp, screws to hold it together, and electricity to run a saw to cut the wood. How will these materials be listed?

1- Woods

2-Electricity

3- Saw

4- Screws

Explanation:

First he will arrange for woods;

1- Woods

Then to cut these with electric saw, he will first acertain availability of elcetricity;

2-Electricity

Then he will cater for a saw;

3- Saw

Then he will join together the cut woods with screws;

4- Screws

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb