Q: Destructive interference in waves occurs when what things overlap? Choices: - two waves - three waves - three troughs - two troughs A:
two troughs

(Question)
Q: Temperature can be defined as the average of what type of energy of the molecules? Choices: - magnetic - optical - potential - kinetic A:
(Answer)
kinetic

Ques: Q: What do you call the high and low points of transverse waves? Choices: - echos and troughs - waves and troughs - bands and troughs - crests and troughs A:
Ans: crests and troughs

(Q).
Q: What is usually the prey of a protist? Choices: - pathogens - algae - proteins - bacteria A:
(A).
bacteria

Ques:Q: What device is used to measure temperature? Choices: - compass - anemometer - barometer - thermometer A:

Ans:thermometer

Ques: Q: Name the two types of nucleic acids. Choices: - isoleucin and leucine - dna ( trigraph acid ) and rna ( ribonucleic acid ) - lysine and methionine - dna (deoxyribonucleic acid) and rna (ribonucleic acid) A:
Ans:
dna (deoxyribonucleic acid) and rna (ribonucleic acid)