I believe it is A.Simple epithelia form impermeable barriers. If I am not right I'm really sorry. I don't really know much about it :)
Answer:
15
Explanation:
the atomic number is the number above the symbol. the number below is the atomic mass.
They either frow on other organisms and get there food or they eat it feom a dead animal
The percentage of these products which are recycled include the following:
- 50% Aluminum
- 25 % steel
- 60% copper.
<h3>
What is Recycling?</h3>
This is defined as the process in which different types of waste are converted into usable materials through different processes and techniques.
Recycling is important as it helps to reduce incidences of pollution and wastage thereby improving the quality of living for humans and other organisms present on Earth. The percentage of aluminum, steel and copper products being recycled can be seen above.
Read more about Recycling here brainly.com/question/2055088
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