Ques: Q: What is pluto now called? Choices: - asteroid - planet - meteor - dwarf planet A:
Ans: dwarf planet

Ques: Q: What is the name of the muscle that contracts to cause the joint to straighten? Choices: - flexor - abductor - opposing - extensor A:
Ans: extensor

Ques: Q: How metalloids behave in chemical interactions with other elements depends mainly on the number of what, in the outer energy level of their atoms? Choices: - protons - positrons - neutrons - electrons A:
Ans: electrons

Ques: Q: The radius of an atom is defined as one-half the distance between the nuclei in a molecule consisting of two identical atoms joined by what? Choices: - metallic bond - ionic bond - hydrogen bond - covalent bond A:
Ans:
covalent bond