There are some insects that can walk on water, this phenomenon is possible because the water has surface tension. One animal that can walk on water is the lizard.
Answer:
commenalism
Explanation:
The salad is neither harmed, nor benefits from this
Answer:
2)
Explanation:
The positive control is the treatment where bacteria grew without lead. Since positive control indicates the presence of bacteria in the experimental conditions, it is possible to confirm that they only death in presence of this metal. However, it is important to note that it is imperative to repeat this experiment three times and also to include a negative control in order to confirm these results.
<span>The nurse should check the boy's height and weight. If the boy were to lose a massive amount of weight it would mean that he would be unhealthy which may be a result of the prescription. If his weight was normal then it would indicate that the prescription has not negatively effected his body. The boy's height would work the same way, if it decreased for some reason, it was most likely caused by a adverse reaction to the medicine. If his height is unchanged that would be a positive sign.</span>
OK so for this one it is quite simple when we clear forests we basically take away an insects habitat therefore by clearing a forest for our personal use it will have the greatest impact on the insects. So the best choice to go with will be option B.
