1. Compare Evelyn's technique with Kwan's technique.

2. Whose technique is the correct one?

What does x represent in the formula for the compound xcl4?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves