Answer:
If we are watching the sky, we see the lightning before we hear the thunder. That is because light travels much faster than sound waves. We can estimate the distance of the lightning by counting how many seconds it takes until we hear the thunder. It takes approximately 5 seconds for the sound to travel 1 mile.
Explanation:
Answer:
In order to establish and maintain their complex organization and structure, organisms must obtain, transform, and transport matter and energy, eliminate waste products, and coordinate their internal activities. Cells take highly varied forms in different plants, animals, and microorganisms.
Explanation:
Answer: Protiens help provide structural support for our metabolism, and they can act as enzymes, carriers, or hormones to help us. They provide growth and maintenence and also act as messengers for our brain. They bolster our immune system and also transport/store nutrients. Basically, they do a whole lot!
Explanation:
<span>Correct answer:
"C.it does not show mountains regions."
All the other options are present in the map and therefore would not present a limitation of the model. Mountains' regions are not shown on the map and that could be a limitation, mostly for someone that's looking to know the relief of America. A map showing relief would have to use</span><span> different colours or textures to represent the height or depth of America's terrain.</span>
