Answer:
a. red-brown
Explanation:
Specular Hematite is a mineral which is found in rocks and soils. The crystal of specular hematite is greyish black in color but it can form the streak of reddish color which is due to the presence of iron oxide. It has metallic luster which gives a look like silver and has shiny flakes.
1. geologic time
2. stratum
You could have just googled these...
Answer:
The most common type of rock found on Earth's surface is a sedimentary rock, and types of sedimentary rocks include those listed in the diagram below. Hope this helps! I take Environmental Science so if you have any more questions don't hesitate to ask them below. :)
B. The Sahar desert. The people from the south east of the continent migrated to other parts of Africa but not north Africa because the Sahara was in their way. This led to the ottomans to easily lay claim to North Africa and develop a Islamic and Arabic like culture.
