How could increasing the number of plants help
you decrease error in the experiment? Check all
possible reasons.
It would increase the sampling error.
It would reduce the significance of any single
measurement error.
It would make calculations easier.
Having more data would make the average
height less affected by one or two plants that
are randomly shorter or taller
It would make a plant's death less of an
issue

It would reduce the significance of any singleHaving more data would make the average height less affected by one or two plants that are randomly shorter or tallerIt would make a plant's death less of an issue

Explanation:

This is akin to reducing the significant error of a sample. The more the sample is representative of the whole population the less the sampling error.   More plants increase the sample size and reduce the skewness of the data, by improving the margin or error, making it more representative of the population in study in the experiment.

Its 5 points nott 50 points

answer: - b cells

explanation: -

there are many types of white blood cells present in our body. one such class of white blood cells are the lymphocytes. the b cells belong to the lymphocyte class of wbcs. the b cells perform their action against the pathogen by producing specialised proteins called as antibodies. these antibodies are produced as and when the b cells encounter pathogens in response to the antigens present on the surface of the pathogen. these antibodies bind to the antigens present on the pathogen and then, target them for destruction by other cells of the immune system.

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.