Answer:
The eight most common types of synthetic organic polymers, which are commonly found in households are:
Low-density polyethylene (LDPE)
High-density polyethylene (HDPE)
Polypropylene (PP)
Polyvinyl chloride (PVC)
Polystyrene (PS)
Nylon, nylon 6, nylon 6,6.
Teflon (Polytetrafluoroethylene)
Thermoplastic polyurethanes (TPU
Answer:
B
Explanation:
negative feedback is used to regulate feedback
Because those are traces of life meaning that there was life living there once, that life wouldn't have been able to survive there with how Antarctica is now.
The answer is C
The more plants there are, the more consumers there are. If there aren't enough plants, the consumers have no way of getting energy, and therefore cannot survive. The species also matters, because certain species of plants can only be eaten by certain species of consumers.