Which of the following best describes how a small saltwater spill should be cleaned up in the elementary classroom?
a. Allow the spill to spread so that the water can quickly evaporate, then sweep up the salt
b. Wipe up the spill with paper towels from the outer edge toward the center to minimize the spread of the spill
c. Add water to dilute the salt water and increase the volume of the spill to ensure that all the students can help wipe up the spill
d. Use the classroom sponge to absorb the spill, then squeeze out the salt water into its original container so that it can be reused
Ans: b. Wipe up the spill with paper towels from the outer edge toward the center to minimize the spread of the spill
You might also like to view...
Which of the following statements is true of the third reaction in the proton-proton chain?
A) It yields a helium atom. B) It emits a neutrino. C) It emits a gamma ray. D) It yields carbon dioxide.
Jupiter's moon Callisto has never fully differentiated, thus the moon has no _______________
Fill in the blank(s) with correct word
________ Paradox asks "Why is the night sky dark?"
Fill in the blank(s) with correct word
The plates of a parallel plate capacitor of capacitance are horizontal. Into the gap a slab of dielectric material with
is placed, filling the bottom half of the gap between the plates. What is the resulting new capacitance?
A.
B.
C.
D.
E.