Judge the following sentence according to the criteria given below: The overall electrical charge of most ions is balanced BECAUSE each ion contains an equal number of protons and electrons
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
E
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In which phase of the Demographic Transition Model (DTM) would you expect to find the highest death rates along with high birth rates?
A. Phase 1 B. Phase 2 C. Phase 3 D. Phase 4
Infant mortality rates vary between countries. However, they do not generally vary among the peoples and regions inside
A) core countries. B) semiperipheral countries. C) peripheral countries. D) Infant mortality rates vary between the people and regions of all countries.
Which biome is home to more plant and animal species than any other?
A) evergreen forest B) grassland C) deciduous forest D) tropical rain forest E) savanna
Which of the following species has the largest concentration in buffering systems of human blood?
A) H2CO3 B) HCO3- C) H2PO4- D) HPO42-