The EPA's new Tox-Cast program
A) uses enhanced animal testing to screen potentially toxic chemicals.
B) uses human cells such as stem cells to rapidly screen potentially toxic chemicals.
C) has initiated media campaigns to alert the public to toxic chemicals.
D) uses human cancer patients to screen potential allergens in the workplace.
B
You might also like to view...
The _________ plants have a tissue system of specialized cells for the movement of water and
nutrients. Fill in the blank(s) with the appropriate word(s).
________ ________ was controlled by Britain until 1997, when it was returned to China
Fill in the blank(s) with correct word
The downslope movement of a body of material made up of soil, sediment, or rock propelled by the force of gravity is known as
A) downslope flow. B) mass movement. C) slide. D) lahar.
The geologic relationships in this figure indicate
A. that the lava flow pushed the trees over. B. that materials beneath the lava flow were uplifted from great depth. C. that the lava flow is younger than the landscape surface partially covered by the lava flow. D. that the lava flow overlies an angular unconformity.