Answer:
C) Their conclusion should be specific to grape juice on that particular fabric.
Explanation:
Experimental design should be capable of testing a hypothesis. With Penny and Nikki experiment (with one type of fabric and one type of pigment) can only answer the effectiveness of different stain removers to remove grape juice pigments from the specific fabric that was utilized. If they wanted to test the effectiveness of different stain removers, they should use different pigments and various types of fabrics. Different chemicals (active ingredients in stain removers) can have a different effect on different pigments or on different types of fabrics.
The structures which are part of the upper respiratory system include the following:
<h3>What is Respiratory system?</h3>
This is the system which is involved in the gaseous exchange of organisms and consists of organs such as lungs etc.
The parts mentioned above are found in the upper respiratory tract of most animals.
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Answer:
These causes include habitat modification and fragmentation, introduced predators or competitors, introduced species, pollution, pesticide use, or over-harvesting. However, many amphibian declines or extinctions have occurred in pristine habitats where the above effects are not likely to occur.
Explanation:
Answer:
Brittle stars have a distinct central disc and five radiating slender, highly flexible arms. The arms are solid and not hollow like the sea stars. Brittle stars move by a sinuous flexing of the arms rather than movement of tube feet. They feed on small organic particles of food.
Explanation:
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Answer:
CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT.
Explanation:
I have no idea what you are trying to do.
sorry