When the starfish were removed from the area as part of an experiment, the mussel population swelled and crowded out other species. The biodiversity of the ecosystem was drastically reduced. Payne's study showed that identifying and protecting keystone species can help preserve the population of many other species.
Given :
560 gram of silicon dioxide.
To Find :
Number of moles of silicon dioxide in 560 gram.
Solution :
We know, molecular mass silicon dioxide is 60 gram/mol.
So, number of moles of silicon dioxide in 560 gram is :
Now, one mole of any compound contain .
So, number of molecules in 9.33 moles of silicon dioxide is :
Hence, this is the required solution.
Answer:
soil is not an agent of weathering
An indicator of which the priority concern of monitoring an
older adult for possible malnutrition is when the weight of the patient is not
within the normal range, in which his weight is below normal when it is
compared on the weight chart.
it made his actual results approach the results predicted by probability
Hope this helps!
-Payshence