I'd say that the answer is D. Speciation
Answer:
explanations below
Explanation:
It has been reported that glaciers lost more than nine trillion tons of ice which in turn led to a twenty seven (27) millimeter increase in global sea levels over the period in review. Glaciers in Alaska have been seen to be the major contributor, then followed by the melting ice fields in pentagon and Artic areas.
Answer: 2/3:3/2=2/3:2/3=4/9
Hope this answer is right!
Answer:
Water is an essential constituent of healthy, productive soils. It serves to bind and secure the physical particulates in soil structure and is the medium by which natural chemicals and essential trace element nutrients are transported to plants.
Answer:
C)the presence of partial melting
Explanation:
The classification of the asthenosphere a mechanical one. This seeks to understand the forms of the different spheres.
The mechanical model of this entails:
Lithosphere ---------- Asthenosphere ----------------Outer core ----- inner core
The lithosphere is plastic and rigid but the asthenosphere is made up of weak and ductile earth materials.