Answer:
combine harvester, or a combiner.
Catalyst can speed up chemical reaction without being used up or involved in thr reaction..
Answer:
I am also beginners I don't know I am only completing this answer and sorry!!!!!!
Answer:
semipermeability
Explanation:
partially but not freely or wholly permeable specifically : permeable to some usually small molecules but not to other usually larger particles a semipermeable membrane.
It is a graph. It shows observations and then you record your results with any of the graph types.