25 POINTS (6h grade question)

With a limited amount of land and an increasing human population to feed from this land, each human's piece of land to produce their food is becoming smaller and smaller. Protecting the land is very important and can be done in a variety of ways. Which one does not describe a way to conserve farmable land?

A) Eating lower on the food chain.
B) Stabilizing the human population.
C) Deciding to build new conservatories on the land.
D) Trying to reduce pollution in as many ways as possible.

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull