Which property of fossil fuel make them an important resource for life on earth

If the chromosome number in the sporophyte generation of a plant is 32 what is its number in the gametophyte generation?

What is a bond between atoms with comparable electronegativities called? Give an example of two atoms forming such a bond.

Insulation products are used to __ energy loss. enlarged decrease increase protect

Which of the following elements would be the worst conductor of electricity? a). S b). As C). Na d). Pb

A person's temperature is 40 c. What would it be in Kelvin? A. 313 K B. - 313 K C. - 313 C D. 313 C

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4