Chemistry, 23.10.2019 23:30 kaelynnmarie1135
In 1939, the use of ddt (a powerful synthetic chemical) as an insecticide was discovered. the united states adopted its widespread use, producing up to 100 million kilograms per year (200 million pounds per year). twenty years later, severe side effects started to be reported as a result of ddt use. which was an advantage of using ddt?
Answers: 1
Chemistry, 21.06.2019 15:30
1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?
Answers: 2
Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 1
Chemistry, 23.06.2019 00:30
Fred is studying a substance that is made out of only one element. this means that
Answers: 1
In 1939, the use of ddt (a powerful synthetic chemical) as an insecticide was discovered. the united...
Mathematics, 07.10.2019 23:00
Biology, 07.10.2019 23:00
Social Studies, 07.10.2019 23:00
English, 07.10.2019 23:00
Business, 07.10.2019 23:00
History, 07.10.2019 23:00
Spanish, 07.10.2019 23:00
Mathematics, 07.10.2019 23:00
Mathematics, 07.10.2019 23:10