Answer: Filtration technique
Explanation:
The technique used here is called filtration.
Filtration,is a physical separation process that separates a mixture of an insoluble solid from a liquid ( acting as the solvent) by the use of a filter barrier that allows only the fluid to pass through.
In the case from the question,
As water is poured over the ground coffee, it forms a mixture of which the insoluble solid is the coffee grounds, the water is the liquid and the filter barrier is the piece of paper which allows only the brown liquid coffee to pass through as the filtrate.
Help! Will give will give brainllest
1. An airplane flies 1431 miles in 2 hours 15 minutes. What is its average speed in miles per hour?
2. A train travels 76 miles in 1 7/12 hours. What is its average speed in miles per hour?
3. An airplane flies 1914 miles in 2 3/4 hours. What is its average speed in miles per hour?
4. A train travels 102 miles in 2 5/6 hours. What is its average speed in miles per hour?
5. Tracy runs 26.2 miles in 3 hours and 45 minutes. What is her average pace in minutes and seconds?
Answer:
1. 636miles/hour
2. 53.65milesper hour
3.696miles per hour
4.37.09mikes per hour
5. 6.99miles/hour
Explanation:
you first convert all the time into improper fractions
then work out speed which is got by dividing distance with time
What is the SI unit of time?
A.
second
B.
minute
C.
hour
D. day
Answer:
option a. second
.............
Students are completing an investigation on types of heat transfer. For one part of the investigation, they place their hand on a cool window and feel the difference in thermal energy. When they are touching the glass, what type of heat transfer are they experiencing?
a .Conduction
b. Convection
c. Radiation
AgNO3 (aq) +
Cu(s) —
Cu(NO3)2 (aq) +
| Ag(s)
What is the integer?
Answer:
2
Explanation:
2AgNO3 + Cu -----> Cu(NO3)2. + 2Ag