Salt water is a homogeneous mixture or a solution.
Energy security is the association between national security and the availability of natural resources for energy consumption. Access to (relatively) cheap energy has become essential to the functioning of modern economies.
Answer:
10,15,20,25
Explanation:
union mean the combination of all
<span>The correct answer is (D), sheep. Didgeridoos and boomerangs are artifacts invented by humans in Australia. Koalas evolved in Australia, and to this day are only found in the wild in Australia. In contrast, sheep were first domesticated in ancient Mesopotamia and then brought by humans to other parts of the world. The first sheep were brought to Australia by ship, from the Cape of Good Hope in 1788.</span>