Gita tested butter and bread with iodine solution. Which nutrient was she testing for?

Aplant may open end close its stomata to prevent excess water loss and maintain

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?