Question

table 15.1 science class 7​

Answer 1

Answer:

While it is necessary to keep up with industrialization, it is an urgent need now to restore stability in nature. People are trying to curb the level of pollution and stop the exhaustion of natural resources. However, more awareness and implementation is a must at the individual and community levels. We must always remember it is us who depend on nature for survival and not the other way round.

Answer 2

Answer: 50 cm : larger, inverted, real

              40 cm : larger, inverted, real

              30 cm : highly enlarged, inverted, real

              20 cm : enlarged, erect, virtual

              10 cm : enlarged, erect, virtual

                5 cm : enlarged, erect, virtual

Explanation: everything else is based on the activity...to understand this we have to do the activity....At 30cm distance it'll be highly enlarged as it has reached to its focus

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