Arteries carry the oxygen-rich blood, veins carry the oxygen-poor ones
Well, it depends on what type of materials you are using. You should always consult your teacher because if you are doing chemisty, for example, then if you just throw everything in a trachcan, you never what elements or substances can react together.
Kelp are large seaweeds (algae<span>) belonging to the brown </span>algae<span> (Phaeophyceae) . Hope this helps!</span><span /><span>
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The environment affected their farming as it was different
When an object moves away from us, the light is shifted<span> to the </span>red<span> end of the spectrum, as its </span>wavelengths<span> get longer.
If an object moves closer, the light moves to the </span>blue<span> end of the spectrum, as its </span>wavelengths<span> get shorter
Hope that helps have a wonderful day !</span>