<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
Vienna, Austria is the answer.
Answer:
Explained
Explanation:
Answer: Of the list following are
Arkose, chert, limestone, breccia, shale, dolostone sedimentary rocks. Don't confuse dolostone with dolomite- the latter is a metamorphic rock.
Why other options are wrong:
Hornfels, quartzite ,Amphibolite and Phyllite are metamorphic rocks
Gabbro is a igneous rock.
The Blue Nile begins at Lake Tana in Ethiopia and flows into Sudan from the southeast. The two rivers meet just north of the Sudanese capital of Khartoum. The northern section of the river flows north almost entirely through the Sudanese desert to Egypt, then ends in a large delta and flows into the Mediterranean Sea.
