Answer:
D.A round-trip ride to school and back
Explanation:
A round-trip ride to school and back would produce a total Displacement of zero.
You start and stop at the same place.
Hope this helps!
Answer: density
Convection is the circular cycle of rising and falling of a liquid or gas as it becomes hotter or cooler. When a liquid or gas becomes hotter, its density decreases, which causes the substance to rise. After rising, the substance loses heat and becomes cooler, which increases its density. This causes the substance to fall or sink to the bottom.
Answer:
3rd option
Explanation:
Eukaryotic cells have many chromosomes while most prokaryotic cells consist of just one circular chromosome.
Answer:
Decomposers
Explanation:
Decomposers eat decaying or dead organisms to produce the nutrients.
Answer:
increasing growth and decreasing rate of growth
Explanation:
Global population growth slowing due to greater longevity and lower fertility rates. The world's population is getting older and growing at a slower pace but is still expected to increase from 7.7 billion currently to 9.7 billion in 2050
