Answer: D
Explanation:
Because the heavy plow and its traction team was expensive tool and individual peasant farmers were not able to own it, it brought collective ownership and patterns of communal agriculture and communal animal husbandry.
The heavy plough required more energy to pull this resulted several families coming together to pool their oxen to form a team large and strong enough to pull the heavy plow. The resulting “ox-gangs” became an important social group.
Multicellular organisms can be much larger and more complex. This is because the cells of the organism have specialised into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions.
B. Eukaryotic cells
Humans are categorized as eukaryotic organisms.Which means that all human cells can be found with a nucleus. Eukaryotes can found in things like the brain, the heart,the muscles,and such more.
Photosynthetic bacteria changed the Earth's atmosphere
Answer: Yes
Explanation:
I’m not sure why it seems right tho
