Biological specimens have been preserved in alcohol and formalin for many years.This could damage the specimen and change the colour of the fluid.Engineered fluids are now used as a substitute for formalin as it is a more sustainable medium..Novec fluids which are low in toxicity are also used.

7 0

3 years ago

Read 2 more answers

___________ have a charge of +1.

stiv31 [10]

Answer:

B) Protons

Explanation:

A proton has positive charge of 1.
Electrons are the negatively charged particles of atom.
An atom consists of a positively charged nucleus surrounded by one or more negatively charged particles called electrons
To find the ionic charge of an element you'll need to consult your Periodic Table. On the Periodic Table metals (found on the left of the table) will be positive. Non-metals (found on the right) will be negative.

3 0

4 years ago

What are the partial and total vapor pressures of a solution obtained by mixing 35.8 g benzene, and 56.7 g toluene, at the vapor

Alla [95]

Answer:

not sure, but you know what?

Explanation:

you are amazing! keep doing what youre doing!

6 0

4 years ago

(5 x 10 4) + (2.5 x 10 2) = 2 x 10 2 12.5 x 10 2 0.5 x 10 6 5 x 106

grin007 [14]

Answer: Anseew 89 until the sksfd Explanation:

4 0

3 years ago