Answer:
Crude Oil/Petroleum
Explanation:
Crude oil is a very versatile fuel and is used to produce things like plastics, artificial food flavorings, heating oil, petrol, diesel, jet fuel, and propane.
Because it determines if it is isolated or not. This means if other substances can enter or not. This usually relies on the membrane with it´s pores. The pores help the membrane be selectively permeable in what it lets in and out.
Hi Hannah
- rabbit
- pine tree
- bread mold
I hope this answer help:)
Answer:
it is the thymus
Explanation:
this is where the t cells and b cells are made
