Why is it important that gametes have half the number of chromosomes as body cells?

Two grams of Potassium Chloride are completely dissolved in a sample of water in a beaker. This solution is classified as:

Compute 4.659*104-2.14*104. Round the answer appropriately

Which componeVentricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles? arteries atria capillaries veins nt of blood allows oxygen from the air to move from the lungs to cells

Valencies of all the elements in the periodic table

Compared to a 1.0-mole sample of NaCl (s), a 1.0-mole sample of NaCl (l) has a different number of (1) ions (2) empirical formula (3) gram-formula mass (4) electrical conductivity

Both black and white road surfaces absorb sunlight. the warmer road surface at the end of a sunny day is the

Which information in the periodic table indicates the number of protons in an atom? A. the position of the element in its column B. the element's chemical symbol C. the element's atomic mass D. the element's atomic number

What were the expected results of Rutherford's gold foil experiment, based on Thomson's model of the atom? How did the real results of the gold foil experiment change the accepted model of the atom?

How many neutrons are in titanium

What planet has the largest known mountain in the solar system Two Moons and a period of rotation equal to 24.6 hours