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 14:00, Lesquirrel
Acar tire has a pressure of 2.38 atm at 15.2 c. if the pressure inside reached 4.08 atm, the tire will explode. how hot would the tire have to get for this to happen? report the temperature in degrees celsius.
Answers: 2
Chemistry, 21.06.2019 19:30, haybaby312oxdjli
Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false
Answers: 2
Chemistry, 23.06.2019 00:00, chloe8979
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
Answers: 1
In 1939, the use of ddt (a powerful synthetic chemical) as an insecticide was discovered. the united...
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