In electron transport chain, the multiprotein structure pumps out H+ ions into the intermembrane space. As the H+ ions get pumped out, the concentration of H+ in the intermembrane space gets higher. As a result, H+ ions will start flowing down back to the chromosomes matrix through the ATP molecule.
The bubbles of beer
I may be wrong pls double check
Answer:

Explanation:
- <u>A Lake Is -Not- A Biome</u>
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Biomes: T<u>emperate Deciduous Forest, Coniferous Forest, Woodland, Chaparral, Tundra, Grassland, Desert, Tropical Savanna</u>
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A lake is not a biome. A lake can be found in a biome, but a lake is not itself a biome. A biome is a community of plants and animals that have common characteristics for the environment they exist in. Yes, similar species can be found living in a lake, but a lake can be found in a particular biome where there are lots more of the same species.
- Mordancy
Answer:
Walk, bike, or take public transport whenever possible. If you don't own and drive a car on average you can reduce your total ecological footprint by as much as 20 per cent. Using it less will reduce your footprint, helps to avoid traffic jam and keeps your cities air cleaner.
its more than 2 but i hope i helped.