1. Which of the following best describes natural selection? A. Organisms compete for food and shelter.
B. Organisms produce more offspring than can survive.
C. Organisms vary in their physical traits, and some traits are
inherited.
D. Organisms best suited to their environment are most likely
to survive and reproduce.

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.

How many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.