Conditions that change in an experiment or model are called variables
Indicate whether the statement is true or false
TRUE
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The large divisions of the Spanish empire were called
A. states B. provinces C. countries D. viceroyalties
Recent evidence suggests that the variations in Earth's orbit around the sun proposed by Milankovitch actually have very little effect on Earth's climate
Indicate whether the statement is true or false
Generally, global cities are divided into
A) categories, called forward leaning, stagnant and backward leaning cities. B) two levels, called primate and non-primate cities. C) three levels, called alpha, beta, and gamma. D) four levels, called alpha, beta, gamma and delta. E) None of the above
What kinds of ions are produced by ionizing radiation?
A) only positively charged ions B) only negatively charged ions C) both positively charged and negatively ions D) The type of ions produced depend on the type of ionizing radiation.