1. especially in some complicated experiments u need someone to help you to complete that.for example one will pour thr chemical and other can hold the beaker
2. if one of them had some lab accidents such as chemical spilled in eye the other can immediately report to an adult or teacher
<h2><em>★</em><em> </em><em>«</em><em>What are the impacts of human beings on biodiversity ?</em><em> </em><em>»</em><em> </em><em>★</em></h2>
- <em>destruction, degradation and fragmentation of habitats. reduction of individual survival and reproductive rates through exploitation, pollution and introduction of alien species.</em>
<h2><em>hope</em><em> it</em><em> helps</em><em>!</em></h2>
Energy & Repair/Maintenance
Answer:
I suppose the answer is C
Answer:
The greater the surface-area to volume ratio of a cell, the easier it is for the cell to get rid of wastes and take in essential materials such as oxygen and nutrients.
Hope this helps!