A substance floats if it is less dense, or has less mass per unit volume, than other components in a mixture. For example, if you toss a handful of rocks into a bucket of water, the rocks, which are dense compared to the water, will sink. The water, which is less dense than the rocks, will float. Basically, the rocks push the water out of the way or displace it. For an object to be able to float, it has to displace a weight of fluid equal to its own weight.
Water reaches its maximum density at 4 C (40 F). As it cools further and freezes into ice, it actually becomes less dense. On the other hand, most substances are most dense in their solid (frozen) state than in their liquid state. Water is different because of hydrogen bonding.
Answer:
It relay signals between the cell internal and external environment.
It allows cell to identify each other and interact.
Hello.
The choice of language and symbolism used in the story is carefully crafted to contribute to the effect Poe wanted to convey.
The descriptive language paints a picture of a house that is beyond merely old and dirty. Features are portrayed in great detail, with repeated adjectives adding layer upon layer of age and deterioration to the picture. The setting in which the house is found extends the atmosphere of gloom and death and apprehension.
Have a nice day
Well one big factor would be the ozone layer because it absorbs sun rays. Not sure about the rest.
The answer is B. Grows quickly.