D15 - Clean Drinking Water/Curing Aids - A Catalyst for Entrepreneurship
Q.1
The majority of water on Earth is found in _____.
oceans and saline lakes
ice caps and glaciers
freshwater lakes
soil moisture
Q.2
Which is the shallowest of the Great Lakes?
Lake Michigan
Lake Erie
Lake Superior
Lake Huron
Q.3
Which is the following is NOT required for harmful algae bloom to grow?
Light
Wind
Radiation
Nutrients
Q.4
When discussing contamination levels in water, Dr. Escobar compares one microgram per liter to which of the following?
one citizen per major city
one student per typical US high school
one blade of grass per football field
one kernel per field of corn
Q.5
When discussing membrane purification of water, Dr. Escobar compares the process to which of following?
pushing water through a sheet of plastic
using a hairbrush to “comb” the water
pouring water through a Brita water pitcher filter
scrubbing the water with motorized toothbrush heads