Whales play an important role in the marine ecosystem where they help provide at least half of the oxygen you breathe, and they also improve climate change. Hope that helps.
Answer:
Answer
take a plant having partially green and white leaves.
Destarch the plant leaves by placing the plant in dark room for three days.
The potted plant then placed in the exposure of sunlight for three days.
pluck the leaf of the plant and allow to boil it in alcohol to remove its green colour.
Answer:
The Universe is the endless void of space that contains galaxies,black holes,asteroids,stars,planets and other astronomical bodies.
Explanation:
Because it's facts...
Stream channeled flow of water,regardless of size
The correct answer would be phenotypic variation.
