Q: What results when birth rates fall even lower than death rates? Choices: - disease - mutation - increased growth rate - negative growth rate A:
negative growth rate

(Question)
Q: What happens to energy in a closed system? Choices: - is replicated - is destroyed - is wasted - is conserved A:
(Answer)
is conserved

Ques: Q: Kinetic energy is energy of this? Choices: - speed - gravity - food - motion A:
Ans: motion

(Q).
Q: What kind of cells have positive cell potentials, and all the reduction reactions are reversible? Choices: - new cells - inhibited cells - neutral cells - galvanic cells A:
(A).
galvanic cells

Ques:Q: What kinds of waves are composed of various oscillating electric and magnetic fields? Choices: - elastic - seismic - tidal - electromagnetic A:

Ans:electromagnetic

Ques:Q: Which process or force pulls rocks apart? Choices: - tactile stress - friction stress - composition stress - tension stress A:

Ans:
tension stress