100 POINTS FOR THIS QUESTION, PLEASE HURRY!!!!!!!!

Answer:

Negetively charged.

Explanation:

mark this as brainliest please ;)

Answer:

The weights of paper used for coated abrasive backings are designated by the letters A, C, D and E

Explanation:

The letter designation of the weights of paper backings for different applications are;

'A' Weight - Paper meant for use in finishes in abrasive projects. The paper is light (weight) touch grade of abrasive paper

'C' Weight - The 'C' designated paper is the medium light grade which offers more strength and bendability and it is suitable for woodwork by a cabinet maker

'D' Weight -  The 'D' weight category is a medium heavy paper

'E' Weight - The 'E' weight category is a strong paper category, used for discs, coarse sheets, and belts

Therefore, the letters A, C, D and E are used to designate the weights of paper used for coated abrasive backings.

rural roads, especially older, narrow, and less traveled ones, present hazards. shoulders may be uneven with the edge of the roadway, soft, or narrow. danger may be only a few feet away. bridges, guardrails, bushes or trees may be near the road's edge

Explanation:

As a rural roadway driver, I can confirm that i experience

slippery roads

snowy roads

icy roads

dirty roads

Many pot holes

Answer:

The material that is not used for wood sanding is

3. Emery

Explanation:

The materials recommended for use as materials for wood sanding includes;

1) Garnet paper is a very brittle moderately hard, self sharpening and durable material which is a popular choice of most woodworkers

2) Aluminum oxide is used for the sanding of hardwood

3) Emery is used for the smoothening of a metal surface

4) Silicon carbide has a faster effect rate than aluminum oxide, and it is used to smoothen woodwork objects

Therefore, the material that is not used for wood sanding is Emery