Metal, and plastics are all materials that cannot biodegrade can sometimes be recycled can no longer be produced cannot be recycled

Both metals and plastics are materials that cannot be biodegrade but can be recycled. It can be produce but it will use much energy on its production. Most metals at home comes from food or drink cans and mostly made from aluminum, which can be recycled very easily. Meanwhile, plastics last a long time making it hard to break down and recycle. There are various kinds of plastic and they all have to be recycled in a specific and in different ways. Therefore, recycling is very important and should be observed so we can preserve our environment for the next generation.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

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