X is the dominant allele / curly hair , females have two X chromosomes and males have an X and Y
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That's correct most birds have diffrent shaped beaks for diffrent reasons for example some birds can tweezer beaks which helps to dig into the worm holes to get worms or help to drill into trees
Explanation:
Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
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examples hydrogen, oxygen, copper
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b. Facial nerve is correct
Explanation: here is some googlied info as well
The facial nerve (the labyrinthine segment) is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue.
The hydroponics root system to grow is that they use the same method as the soil root but the root volume for hydroponics is highly restricted and they don't need to use too much energy to grow.