Across 5: predation
across 6 hominid
down 3 : Distribution
down 9 : glaciations
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.
The rough ER is involved with protein synthesis. It helps to produce proteins and help them fold properly.
The criteria pollutants are carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide.
