This is a green pigment in chloroplasts that traps light energy from the sun.

If an object floats, the volume of the displaced water is equal to the volume of the portion of the object that's above the surface of the water. true or false

Which of the following are equal to - 40°F? Check all that apply. A. - 80°C B. 200K C. 233K D. - 40°C

Which gases are carried by red blood cells? Select two options. oxygen helium carbon dioxide nitrogen hydrogen

If root-mean-square voltage of a supply is 240 V, calculate the maximum voltage of the supply (a) 169.7 V (b) 240 V (c) 339.4 V (d) OV

A mango fruit drops from the top of it's tree which is 40 m. How long does it takes to reach the ground

What is the primary function of the small intestines

A nuclear power plant generates a total of 150mw of power and 45% of this power is wasted heat that is discharged on the cooling water of a river. the river flows at 660.43 gal/s and has an upstream temperature of 64.4 ⁰f.

The universe is believed to have been form from a very dense fireball billions of years ago.

What does the slope of the line on this velocity versus time graph represent? A. positive deceleration B. zero acceleration C. positive acceleration D. negative acceleration

Which of the following objects has the greatest kinetic energy? a baseball flying through the air at 90 miles per hour a baseball flying through the air at 45 miles per hour a baseball flying through the air at 20 miles per hour a baseball sitting