The standard unit of radiation related to biologic hazard is the:

curie

roentgen

neutrino

bequerel

Why do the two elements silver and iron have different properties

Which conditions would result in the worst soil for growing crops? A. moderate rainfall and no extreme temperatures B. a lot of rainfall and low temperatures C. a lot of rainfall and high temperatures D. little rainfall and high temperatures

What is the difference between autotrophs and heterotroph

Why does bread turn brown when it toasts?

The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm. The observation will be summarized in a row of the incomplete table below.

Which reaction represents an unbalanced neutralization reaction? Na + H2O NaOH + H2 HNO3 + NaOH NaNO3 + H2O NaNO3 + H2O HNO3 + NaOH H2O H2 + O2

How does the health of polar bears indicate the health of the environment

Our body needs iron. Certain foods are rich in iron and iron tablets are usually recommended by doctors. but neither the food nor tablets are hard like iron? Why?

Under which conditions are gases most soluble in water?

Use the periodic table from the lesson to answer the following question. the atomic mass of f is ___.