Answer:
because they cannot be seen by our naked eyes to make them visible we must use microscope.
Answer:
Explanation:
The appearance of the surface of a mineral when it reflects light is known as
Answer:
TRUE
Explanation:
The blood alcohol content is also known as the blood alcohol level or the blood alcohol concentration. It is defined as the measurement of the alcohol intoxication in the body and is used for the legal or the medical purposes.
When the BAC increases in the person's body, the person started to loose clear vision, loss of short term memory, poor muscle coordination, impaired perception and face difficulty in concentrating. Thus it becomes very difficult for a person to drive a car or ride a bike whose BAC has increased.
The driver cannot properly judge the distances between the vehicle and the speed of the vehicle.
Hence the answer is TRUE.
Answer:
Root Wedging is the process in which roots grow into the cracks in rocks and force the cracks open as they continue to grow.
Explanation:
Answer: There are 
of 
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 
of particles.
To calculate the moles, we use the equation:
Thus there are of
