Answer:
The Rock Cycle diagram below is an easy-to-read model of how rocks can ... Directions: Use the diagram above to answer the questions below. 1. ... Follow the arrow from sedimentary rock to metamorphic rock. ... Which process cannot happen? a. ... Igneous rock → weathering and erosion → burial → deposition →.
Explanation:
The answer is W.E.B. Du Bois
Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
Answer:
the troposphere is the atmosphere
