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hip flexion combined with knee flexion is accomplished by which muscle/s?

Volcanoes are sources of __________.

The presence of a dam can reduce __________ rates in rivers and threaten _______.

What structure allows for the continued growth of the brain after birth and compression of the head during birth?

Does a shift to synthetic diamond production from mining of diamonds strike a win for Mother Nature?

Which of the following hormones is involved in milk production in females?

Which of the following is an example of a nonmetal, nonfuel mineral?

What number corresponds to the cervix?

What molecule is the messenger of the endocrine system?

What structure is formed by the fertilization of the egg by the sperm?