Answer:
90 seconds is equivalent to choose 1.5 minutes.
Explanation:
There are 60 seconds in 1 minute which means if there are 90 seconds then it will be equivalent to one and a half minute.
The area just north of Lake Baikal is called the Irkutsk Oblast, where the city of Irkutsk is located (in Siberia).
Layers can be defined by either their chemical or their rheological properties. Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.
Yes, they are not provided to you at no cost.
The answer would be B, because that is not involved with chemical weathering.