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.
The Congo and Niger rivers have interesting irregular courses, and instead of going just in a certain direction, they circle around big areas. This is due to the shape of the landscape, and also because of the types of rocks in the surrounding areas where these two rivers flow.
The shape of the landscape is crucial in the course of a river, since every river is moving through the lowest parts where there isn't obstacles, so these rivers have followed that pattern and it turned out to give them irregular course. Also, the types of rocks on their way are very important, so these rivers managed to get through the sediment rocks as they are easy to erode, but haven't been able to break through the igneous rocks that are much harder.
The bark helps to increase water loss in the plant is the best explains why the list is incorrect. The thick cuticle on leaves helps to retain water in the plants.
<h3 /><h3>How do plants protect themselves?</h3>
The plants can protect themselves through an intact and impenetrable barrier composed of bark and a waxy cuticle. This is also protecting the from herbivores animals.
Other adaptation include shells, thorns that are modified branches, and spines that are modified leaves.
Thus, option B is not correct.
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