The currently accepted age of Earth is __________ years.

​Isotopes are atoms of the same element that have different numbers of protons but the same number of neutrons.

Atoms that gain electrons become negatively charged.​

​Which nucleotide is found in RNA but not in DNA?

Which type of tissue makes up the brain and spinal cord?​

​Cells that line the respiratory tract are covered with ____ on their free edge that move the mucus-dust package upward away from the lungs.

The study of tissue is called cytology.​

5280 ft = 1 mile 12 inches = 1 foot 1 kg of water = 1 liter of water  1 liter weighs 2.2 lbs 2.2lbs = 1 kg 1 gallon = 3.79L 3.28 ft = 1 meter T(°C) = (T(°F) – 32) × 5/9 If I have a 500g block of chocolate, how many pounds would that be? (15pts)

5280 ft = 1 mile 12 inches = 1 foot 1 kg of water = 1 liter of water  1 liter weighs 2.2 lbs 2.2lbs = 1 kg 1 gallon = 3.79L 3.28 ft = 1 meter T(°C) = (T(°F) – 32) × 5/9   Which of the following is the largest amount of water?                     A = 800 lbs of water  B = 400 kg of water C = 480 L of water D = 400 g of water E = 80,000 milligrams of water 

Convert 5 meters into cm.