(Question)
Q: What determines the ability of soil particles to bind many nutrients? Choices: - surface pulses - layer charges - currents charges - surface charges A:
(Answer)
surface charges

(Question)
Q: Representing a leap in scientific understanding, einstein described what as a dent in the fabric of space and time? Choices: - motion - light - energy - gravity A:
(Answer)
gravity

(Question)
Q: What is the cause of existence of molecular solids and liquids? Choices: - negative forces - popular forces - few forces - attractive forces A:
(Answer)
attractive forces