Answer:
A.
Explanation:
The nervous system, circulatory system, integumentary system, will be involved.
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Air moves into the lungs when the air pressure in the lungs is lower than the air pressure outside of the lungs. This occurs when the muscels of the diaphragm contract.
You can see this by breathing in and out deeply. When you breath in you can feel your chest being pushed up and out by your diaphragm. The reason the pressure in the chest is lower is that when you breathe in you are increasing the volume of your chest. As there is the same amount of air in your chest the pressure decreases.
Its either a or d
a because if someone takes a photo of the wings they could see how the wings work
or
d because then the person could see the colors in the pictures
The ileum has <span>plicae circulares</span>, villi and microvilli, that are folds and projections of the mucosa layer of the ileum, that increase the surface area of food absorption. The mucosa and the submucosa of the stomach have inner folds called rugae that increase the surface areas in which food is digested by enzymes.
Plants have root hairs in their tap roots that also increase the surface area for which they absorb water and nutrient from the soil. Fibrous roots have a mesh-like a network that also increases the surface area for increased absorption.
Answer:
A. The potential energy could be increasing like a ball thrown into the air
C. the ball could be returning to its natural resisting state
Explanation:
When an object is in motion, the energy of the object changes to and from each type. When the energy slows down then there is also changes in energy forms.
The potential energy of any object in motion like throwing a ball in the ball always increases because potential energy is directly proportional to the height of the object. When a ball is thrown up the kinetic energy converted into potential energy ad the ball reaches at maximum height which increase the potential energy of the object in motion. But after attaining the maximum height the, potential energy decreases and object falls back towards the earth.
Kinetic energy could not lost the friction because friction only prevent sliding not to prevent motion and potential energy lost it resistance while it convert into kinetic energy. So when the energy slows down it convert into potential energy converted into kinetic but kinetic energy could not lost the friction.
According to Newton's law of inertia, the ball could be returning to its natural resisting state as every object has tendency to resist changes in its velocity.
The Law of Conservation of Energy states that total energy of a system remain same but kinetic energy and potential energy do not remain same.
Hence, the correct option ar:
A. The potential energy could be increasing like a ball thrown into the air.
C. the ball could be returning to its natural resisting state.