Q: What do solar cells convert the energy in sunlight into? Choices: - free energy - experimental energy - subsequent energy - electrical energy A:
electrical energy

(Question)
Q: The contents of which organ are mixed every 20 seconds? Choices: - the metabolism - pancreas - kidney - the stomach A:
(Answer)
the stomach

Ques: Q: What are 2 common growth patterns of population? Choices: - migratory and logistic - exponential and economical - organic and inorganic - exponential and logistic A:
Ans: exponential and logistic

(Q).
Q: What distinctive configuration of dna demonstrates the base-pairing nature of the bases? Choices: - single helix - double loop - triple helix - double helix A:
(A).
double helix

Ques:Q: In what type of mining must tunnels be blasted into the rock so that miners and equipment can get to the ore? Choices: - open-pit mining - strip mining - gold mining - underground mining A:

Ans:underground mining

Q: What kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle? Choices: - nervous muscle - skeletal muscle - smooth muscle - cardiac muscle A:
cardiac muscle