<span>The bacteria are probably eubacteria because they live on common plant leaves.
</span>Archaebacteria living in extreme places(like the thermophile bacteria that in a volcano) while eubacteria lives in normal places. L<span>eaves of common houseplants is not an extreme location, so </span>Archaebacteria is less likely found there<span>. </span>Both <span>eubacteria and archaebacteria could be autotroph or heterotroph, so the information cannot be used to conclude anything.
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Primary reinforcers have distinctive reinforcing qualities; not learned. In addition, secondary reinforcers has no inherent value and only has reinforcing qualities when linked with a primary reinforcers. The positive reinforcement is a desirable stimulus is added to increase behavior while negative reinforcement is an undesirable stimulus is removed to increase behavior.
I think the answer is 1. after
It is true that your respiratory system is the system in your body that is responsible for your breathing.