Bone marrow contains stem cells that give rise to all of yur blood cells.
Answer:
1 2 and 3
Explanation:
Because it is like a food chain without the bacteria or woms many animals would be out of food.
Answer:
measure average changes in price over time that consumers pay for goods and services.
Answer:
Observable effects of climate change on water resources in Africa include: flooding, drought, change in distribution of rainfall, drying-up of rivers, melting of glaciers and the receding of bodies of water.
Explanation:
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