Q: What shape is the gametophyte in ferns? Choices: - circular - rectangular - diamond - heart-shaped A:
heart-shaped

(Question)
Q: Most reptiles reproduce sexually and have what type of fertilization? Choices: - additional - external - mechanical - internal A:
(Answer)
internal

Ques: Q: What gives a coil of copper wire the ability to conduct electricity well? Choices: - optical bonds - metallic electrons - metallic ions - metallic bonds A:
Ans: metallic bonds

(Q).
Q: What is a galvanic process that can be prevented using cathodic protection? Choices: - explosion - sublimation - vaporization - corrosion A:
(A).
corrosion

Ques:Q: The period immediately following the transmission of an impulse in a nerve or muscle, in which a neuron or muscle cell regains its ability to transmit another impulse, is called the ______ period. Choices: - activation - extraction - interstitial - refractory A:

Ans:refractory

Q: Water pollution occurs when chemicals, sewage, trash, or heat enter what? Choices: - renewable resources - air resources - natural resources - water resources A:
water resources