4 Mr. Washington mixed iron filings with sand. Then, he asked his students to separate the iron filings from the sand. Which of the following is the best tool
to use to separate the iron filings from the sand?
Hand Lens
Test Tube
F.
H.
N
Bar Magnet
Eyedropper
G.
I.

the correct answer is answer a. a mixture

no other options make sense

hope this

have a great day : )

  - sprinkles

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".