<span>What is the approximate age of our solar system?
</span>b. 4.6 billion years
Answer:
The smallest unit of matter is an atom.
Explanation:
It is an atom because an atom is the smallest thing, that has weight and takes up space.
Answer: D. They are not well adapted to the Australian climate.
Explanation:
Just took the exam
Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
