Answer:
✅True
Explanation:
Density is an intensive physical property because the density of a given substance does not change with the size of the sample.
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All LIFE as we know it on Earth is dependent on THE SUN.
Answer : I hope this helps !
The nucleus is the most prominent organelle in a cell. Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.
Answer:
baseball field and playground remain on the place and pond will not to be built.
Explanation:
Baseball field and playground are recreational places in the cities which increases the physical activities and health of the children and adults living nearby. If these places are removed from cities, it has many negative effects on the people of the society especially on children. If a pond will be built in place of these baseball field and playground, there is no better effect on the people only increase the beautification of the area. So health of the children is more important than beautification of the area.
Answer:
The key thing to consider here is that water's expansion when freezing is what allows ice to float. The fact that ice remains on top of water is what prevents lakes and rivers from freezing solid. The layer of ice on top serves to insulate the water underneath from the cold air, meaning that life can continue to survive in bodies of water even if they're totally iced over.
If that were not the case, and ice sank, many of the planet's lakes would not be able to support life in the winter. The polar ice caps would also be very different. Whereas the Arctic is a layer of ice floating on top of water, sinking ice would turn it into a giant ice cube extending all the way to the ocean floor. The Antarctic would experience an encrusting of ice all around the continent. Neither of these would be conducive to life.
So, in short, the world would probably support dramatically less life than it does now. Failures of rivers to flow in winter would likely mean that most regions beyond the subtropics would be nearly barren. People would likely have been constrained to the tropics. The oceans would be much lower due to so much ice being tied up in the poles, and there would probably be much less rainfall. This may have made the development of agriculture as we know it impossible.
So, if there were people at all in such as world, they'd probably still be hunter-gatherers, without civilization as we conceive it