Answer:
the waves have a trough
Explanation:
just took the test on edg.
<u>Answer:</u> The process that is used to prepare ceramic is sintering.
<u>Explanation:</u>
Sintering is defined as the process in which number of particles are fused together to form one solid mass by the applying pressure at high temperatures.
Ceramic is an material that is made by taking mixtures of clay, earthen elements, powders and water.
When this mixture (slurry of the powders) is heated at a very high temperature and under high pressure, ceramic is formed.
Hence, the process that is used to prepare ceramic is sintering.
Answer:
A. Encourage an increase in pollution in these countries
