4. Define positive feedback. Explain how this relates to the concept of homeostasis?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

The image below shows a weather service map. which details best describe this map? check all that apply