Cience, life science
question 1
which of the following is one of the four main classes of biochemical compounds?
fats
sugars
o dna
o all of these answers are correct
o carbohydrates
question 1/5

In which reaction is precipitation occurring?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added