Answer:
D or corundum, quartz, calcite, gypsum
Explanation:
Edge 2021 i got 100%
Diamond and corundum are materials that have a higher hardness rating than Quartz and can scratch it.
According to the Mohs Scale of Hardness, the materials that would be able to scratch Quartz are those with a higher hardness rating. In this case, both diamond (hardness 10) and corundum (hardness 9) would be able to scratch Quartz (hardness 7).
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Answer:
yes
Explanation:
because bison are a big part of the food chain and if they disappeared the plants they eat would over populate and then it would make other animals prey easier to hide and then those other animals would start to stave
Answer:
Firstly, the grass by which the bison graze on would overgrow. It would keep growing and growing because there isn't a predator to prevent that from happening.
The predator of the bison would run out of food and thus go extinct. The predators of the predators of bison would run out of food and go extinct, as well. This would continue.
Eventually, there would be nothing but tons of overgrown grass.
A.
have a great day M8
The question relates to calculating speed through the formula 'averagespeed = total distance/ total time'. LeBron and George are using this method on a 150-meter skateboard trip, recording the time it takes for each equal section. The situation mirrors similar examples, such as Jill's flyer distribution and the store trip.
The subject of the question seems to be about calculating speed using the formula for speed, which is distance/time. In LeBron's case, he and his friend George are observing and recording the time it takes LeBron to coast a distance of 150 meters on his skateboard. They have divided the total distance into equal sections and noted down the time for each section.
To find the average speed, we would need to total all the times and divide the total distance by this time. This method of calculation is similar to the example provided, where Jill had a total trip distance and total trip time and was able to find her average speed by dividing distance by time, and it also closely mirrors the definition of averagespeed highlighted in the second example.
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