Answer:
Providing less mass transportation leads to less air pollution.
Answer: ''Dust from the hot Saharan Desert of northern Africa has a connection to a much different climate in South America, according to a study by NASA scientists. Using satellite data, the study has found that the dust is acting as fertilizer for South America's Amazon rainforest about 1,600 miles away to the west over the Atlantic Ocean.''
Explanation:
Answer:
Radioactive isotopes has a characteristic half life that is ranging from less than a second to million of years.
Explanation:
One of the characteristics of radioactive material is that the radio active isotopes instantly gives off particles. This process is termed as radio active decay.For this activity pennies are used pennies headed up it means that nuclei have undergone radio active decay, or tails up it means that nuclei that haven't yet decayed.
Answer:
I'm pretty sure the answer is Pollen
Explanation:
