Q: Gases on earth originated from comets and what events? Choices: - supernovas - black holes - tides - volcanic eruptions A:
volcanic eruptions

(Question)
Q: What decreases with the loss of subsequent protons? Choices: - example strength - Movement strength - seawater strength - acid strength A:
(Answer)
acid strength

Ques: Q: What hormone does the endocrine system secrete to help cells absorb blood sugar? Choices: - glucose - testosterone - Cortisol - insulin A:
Ans: insulin

(Q).
Q: What is often a result of untreated atherosclerosis? Choices: - cancer - heart disease - seizures - a heart attack or stroke A:
(A).
a heart attack or stroke

Ques:Q: What substance can be identified by their atomic number and mass number? Choices: - structures - compounds - solutions - elements A:

Ans:elements

Ques: Q: Subshells are subdivisions of what groupings of electrons that can be found surrounding atoms? Choices: - globals - analogous - isotopes - orbitals A:
Ans:
orbitals