Autotrophs (or primary producers); heterotrophs Fill in the blank(s) with the appropriate word(s)


carbon; hydrogen; nitrogen; oxygen

Environmental & Atmospheric Sciences

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The atmosphere exerts an average force of approximately 1 kg/ (14.7 lbs/ ) at sea level

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Antiviral drugs against HIV have been developed to do which of the following?

A) destroy the virus before it enters a host cell B) inhibit the reverse transcriptase C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

The tiniest channels are called ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

A wintertime form of precipitation that consists of small ice particles is called ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences