Which of the following is an example of voluntary muscle action?

A) fingers typing on a keyboard

B) pupils dilating in reaction to light

C) the heart pumping blood through the body

D) the stomach moving food to the intestines

What is the theoretical yield for CCl4 reacting with 100.0 grams of Cl2 with excess CS2.

Distinguish between metal and non metal with example

In which process are the products of the reaction glucose and oxygen? A. photosynthesis B. celluar respiration C. ATP production D. ADP production

Which has truly differentiates into the skin and nervous system of the embryo? - Endoderm -Mesoderm -Ectoderm

The eight most common elements in Earth's crust are: O, Si, Al, Fe, Ca, Na, K, and Mg. These elements account for 98% of the atoms in Earth's crust.

Extend E1 Explain why the arrangement, movement and energy of particles change during changes of state.

What is in a banana? give me specifics?!

Addition of an excess of lead (II) nitrate to a 50.0mL solution of magnesium chloride caused a formation of 7.35g of lead (II) chloride precipitate. What was the molar concentration of chloride ions in the solution (in mol/L) ?

2.70 L of a gas has a pressure of 0.63 atm. What is the volume of the gas at 105 kPa?

Which statements describe Rutherford's model of the atom? Select all that apply.