fun fact for today a humming bird can remember the last time they went to a flower so they do not go to it for 2 days but after a whole day they visited over 500 flowers.So, they remember the 100 flowers that they have visited already that are spreaded out. Nobody really knows how a humming bird with a very small brain can do that.
Answer:
The substance moves from low to high concentration, against the concentration gradient.
Explanation:
When molecules move from high to low concentration, it is known as Diffusion. It moves with the concentration gradient and does not require energy.
However, when molecules move from low to high concentration, it is against the concentration gradient and cannot proceed without Energy. This process is called Active transport.
Cell membrane is not thick, it is thin and semi permeable.
Out of the following given choices
A. acids B. nutrients C. roots D. soil?
The answer A. Lichens and Moses
secrete organic acids. An example of a secreted
organic acid is oxalic acid. These acids react with mineral in the rocks hence dissolving them. Their decaying vegetation (humus)
also produces acids that weather the rocks. Another way these plants
break rocks are physically using their roots that grow in the cracks and grow bigger.
Answer: The state wants to see if the spill will have a continued impact on biodiversity.
Explanation: I am not entirely sure, use this as your last resort.