Answer:
exhaling
Explanation:
when inhaling oxygen is taken in and exhaling carbon dioxide is taken out
This is cyclic change because the population is consistently going up and back down.
Instead of roots, threadlike structures called rhizoids.
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Answer: Water that's safe to drink should ideally be clear with no odor or funny taste. One way to tell if water is contaminated is to look for turbidity, or cloudiness. While cloudy water isn't necessarily dangerous to your health, it could signal the presence of unsafe pathogens or chemicals.
Explanation:
Ice actually has a very different structure than liquid water, in that the molecules align themselves in a regular lattice rather than more randomly as in the liquid form. It happens that the lattice arrangement allows water molecules to be more spread out than in a liquid, and, thus, ice is less dense than water.
