Answer:
Replace the concentration description with their value
Blubber
The cell membrane is selectively permeable
Passive transport
From low concentration to high concentration
<span>Chemical pollution introduces chemicals into the natural environment, negatively affecting the air, water and soil. ... Toxic releases from industrial plants into the environment and agricultural runoff can threaten water supplies. </span><span>Many of the long-lasting effects of polluting the land, such as the leaching of chemicals into the soil, cannot be easily reversed. The best way to deal with land
pollution is to keep it from happening in the first place. Stepping up
recycling efforts and preventing overuse of soil that makes it acidic
and contaminates nearby areas. </span><span>Scientists have predicted that long-term effects
of climate change will include a decrease in sea ice and an increase in
permafrost thawing, an increase in heat waves and heavy precipitation,
and decreased water resources in semi-arid regions</span>
Weather systems are set in motion by the unequal heating of the earths surface.
I hope this helps.
Answer:
1,unicellular plants 2,All of the above
Answer:
forms of external and internal animal