Ques: Q: What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides? Choices: - desert patina - desert shadow - desert rust - desert varnish A:
Ans: desert varnish

Ques: Q: What refers to the development and nourishment of an embryo within the mother's body but not inside an egg? Choices: - birth - adolescence - ovulation - vivipary A:
Ans: vivipary

Ques: Q: The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this? Choices: - anteriorbrain - rearbrain - astrobrain - hindbrain A:
Ans: hindbrain

Ques: Q: The bones of the skull are connected by what type of joints? Choices: - semi-mobile - pivoting - adjustable - immovable A:
Ans:
immovable