Q: Four electron groups orient themselves into what shape that has four faces? Choices: - spherical - multicellular - circular - tetrahedron A:
tetrahedron

(Question)
Q: What is the study of matter and the changes that material substances undergo. Choices: - physiology - biology - geology - chemistry A:
(Answer)
chemistry

Ques: Q: What type of roots enable a plant to grow on another plant? Choices: - Sickness - endemic - mites - epiphytic A:
Ans: epiphytic

(Q).
Q: Name the process that produces many copies of a certain gene. Choices: - gene diversion - gene multiplication - gene addition - gene cloning A:
(A).
gene cloning

Ques:Q: Something supplied by nature that helps support life, including ecosystems as well as minerals and fossil fuels, is called a what? Choices: - artificial resource - fluid resource - visible resource - natural resource A:

Ans:natural resource

Q: Solar cells create voltages directly from light, while thermoelectric devices create voltage from differences in what? Choices: - oxygen - wire width - wattage - temperature A:
temperature