Answer:
The results are not able to be reproduced.
Explanation:
Generally, if an experiment is done and the results/similar results can not be reproduced then it can be considered invalid.
Strong, naive, perfect balance of strong and naive.
The answer is A, as bears don’t eat deer, but they both eat plants.
Heterotrophs are animals.
Autotrophs are plants.
Hope this helps!
It would be B. Energy is released