I’m going to TEACH my dog to bark when he GOES rumbles down the tracks
Answer:
2.3 and 4 only
Explanation:
Mutation is an alteration in the gene of an organism, which can cause some physiological and physical changes in the organism.
Mutation can have a favorable positive effect on an individual (e.g increasing microorganisms resistance to antibiotics) increasing its chances of adaptability and survivability, it can have a negative effect on the individual (e.g cancerous cells) which can reduce its survivability, and can have no effect at all on the individual (e.g having eyes with 2 different colors).
Animal cell shrinks in a hypotonic solution as content in it moves from higher concentration to lower concentration
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Answer: Soil is a mixture of mineals, particles, air, and water.
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D. All of the above. Groundwater is one of our most important sources of water for irrigation and is polluted by many man-made factors which permeate through the ground.