Answer:
There is no chemical combination of the substances in a mixture, so they retain their physical properties. There is the same composition throughout a homogeneous mixture. The structure of a heterogeneous mixture differs.
Explanation:
Oceania crust is typically made up of igneous rocks such as basalt. Igneous rocks are formed when lava flows from volcanoes cool and harden.
It's denoting to a right angle traingle
- Perpendicular=P=3+1.7=4.7m
- Base=B=8.1m
Hypotenuse we need
Apply Pythagorean theorem
- H²=P²+B²
- H²=4.7²+8.1²
- H²=87.7
- H=9.4m