Answer:
Independent Variable: Give one group the drug and dont give the other group the drug
Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)
Fruits with tiny hooks are most likely to be spread by animal hair.
Hope this helps!
<span> C - nitrogen fixation, ammonification and nitrification </span>
a)121 million gigatons or 121 million billion metric tons" of carbon).
B)The ocean, with around 38,000 gigatons
c)60 gigatons of carbon
