What lever has resistance between the axis (fulcrum) and the force (effort) ? A. first B. second C. third D. fourth

How can an invasive species like weeds affect crops on a farm? A) It competes with the crops on that farm for resources. B) It can turn productive land into unusable land. C) It overtakes the crop population of that farm.

What is the mole ratio of butane to carbon dioxide?

Can someone answer this: At 25 °C and 100 kPa a gas occupies a volume of 20 dm. Calculate the new temperature of the gas if a) the volume is decreased to 10 dm at constant pressure. b) the pressure is decreased to 50 kPa at constant volume.

Where does the majority of the food in America comes from

The light produced by fireflies is a complex oxidation reaction between a compound named luciferin, produced in the body of the firefly, and oxygen in the air.

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.