Which one of the following is a unit of current? Answer: From power 𝑃 = 𝑉𝐼, current 𝐼 = 𝑃 / 𝑉 , so unit (ampere) = watt / voltThe…

Which row in the table correctly explains why an increase in temperature increases the rate of a reaction? Answer: When the temperature of a reaction is increased, the particles gain…

Before a cell can divide by mitosis, DNA synthesis has to take place. Following DNA synthesis, the DNA is separated into each half of the cell and then the cell…

Simplify:𝑥 2 −4𝑥𝑥 2 −16 Answer:𝑥 2 −4𝑥𝑥 2 −16 = 𝑥(𝑥−4)(𝑥+4)(𝑥−4) = 𝑥(𝑥+4)The answer is B

The following statements relate to the flow of blood through the heart.1 Oxygenated blood flows through the right side of the heart.2 The vena cava empties deoxygenated blood into the…