Question 4 (2 points) (02.01 MC)
Which of the following mixtures can be separated by using both color and size as observable properties? (2 points)
O a
Cauliflower and tomato
Ob
Flour and sugar
C
Sand and soil
Od
Sugar and salt
Question 5 (2 points)

Which of the following mining methods disrupts the sea floor?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg