what is the most common element in the atmosphere?

• oxygen

• helium

• nitrogen

• hydrogen

what is the chemical symbol for gold?

• Au

• Ag

• G

• Go

which state takes up the most volume

• solid

• liquid

• aqueous

• gas

what is the fifth element in the periodic table?

• Carbon

• Nitrogen

• Boron

• Lithium

which is a scalar quantity

• Energy

• Force

• Velocity

• Acceleration

which is the vector quality

• volume

• momentum

• mass

• time

what are the three non contact forces

• gravity,magnetic and friction

• gravity,air resistance, electrostatic

• friction, tension, air resistance

• electrostatic, magnetic, gravity

what is weight?

• weight=mass/gravitational field strength

• the amount of pressure you put on the earth.

• the force acting on an object due to gravity.

• weight is the mass of the object.

what type of cell is this

• plant

• animal

• water

what does DNA stand for

• Deoxyribose Neverous Atomy

• Deoxyribo Nucleic Acid

• Denatured Natural Animals

• Deoxyribo Neuro Acid