Question

Write the various methods of cross-pollination.

Answer 1

method of cross pollination are:

1- pollination by wind
2-artificial pollination
3-pollination by animals

hope it will help you!!
please mark my answer as brainlist.

Answer 2

Answer:

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There are different types of pollution: water pollution, air pollution, solid waste pollution and noise pollution. All of these can be found in urban areas. The main sources of pollution are household activities, factories, agriculture and transport.