Answer: Mars
Explanation: The planet of Mars is the only planet of all that is terrestrial. Jupiter, Saturn and Neptune are all Jovian Planets. The answer to the question is Mars. Hope this answer helps you!
B. Biomass
(I guess so cause other ones are already being used)
I would say : D) Newton's 3rd law of motion.
-Hope this helps.
Answer:
C
Explanation:
invasive species can do intense damage so much that ecosystems may not be able to recover.
Use the 1st order decay equation
<span><span>Cfinal</span>=<span>Cinitial</span><span>e<span>−kt</span></span></span>
by filling in and doing the math you will get:
<span> </span><span>Cfinal</span><span> = 1.11 grams Rn-222 after 23 days.
hope this helps
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