Pollution that comes from a trackable source a. point source pollution b. non point source pollution c. ocean pollution (earth science)

Option A point source pollution

Explanation: The pollutants which can be tracked, from the source of origin are termed as point source pollution. This can be water source, air or even light or noise pollution. The pollutants are easily detected being released from the source of pollution. Whereas the non-point source of pollution are those which are indirect sources and they carry off the pollutants which lie on the way, like runoff water carrying the pesticides from the agricultural land.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).