Answer:
50
Explanation:
egg cells and sperm cells contain half of the chromosomes of a regular cell in an organism, so the number of chromosomes in a heart cell must be double of the chromosomes in a egg cell.
1: In deep parts of the ocean fish have been without light for so long they evolve so they can no longer use their eyes.
2: plants underwater evolved to use chemosynthesis to survive.
This app still posts the answers so just quote me. Might I recommend using easybib. Also if you found this helpful make my answer the brainliest.
The question is asking to choose among the following choices that describes about the Big Bang theories, base on my research and further investigation, I would say that the answer would be letter B. <span>The universe is expanding. I hope you are satisfied with my answer and feel free to ask for more </span>
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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