Answer:
d) They invented tests for arsenic in the body.
Explanation:
Wilhelm Scheele was a Swedish Pomeranian and German chemist who made great advancements in several areas of chemistry. Scheele discovered oxygen, as well as molybdenum, tungsten, barium, hydrogen, and chlorine. He is also remembered for his work with arsenic acids, as well as the development of a test for arsenic. On the other hand, James Marsh was a British chemist who invented the "Marsh test," which is a more efficient test for detecting arsenic.
Answer:
C. The plastic handle, because its electrons don't move freely
Explanation:
Free electrons can move through the material much as air moves through loose sand. The water inside the vegetables or human skin is not very good insulation because it's water, if you were to take a warm shower and then come out, you would feel very cold.
he was black
Explanation:
because he forgot to pay a tax and he was black
They all live near a large body of water, the Gulf of Mexico.
I would go with b) house of representatives