1) What is definition of biology? a) A STUDY OF THE WORLD AROUND US IN ORDER TO EXPLAIN HOW IT WORKS b) STUDIES THE BEHAVIOUR OF NATURAL AND MANUFACTURED SUBSTANCES SUCH AS LIGHT, HEAT, NUCLEAR. c) STUDIES LIVING THINGS, SUCH AS PLANTS,ANIMALS, MICROORGANISMS. 2) What is science? a) A STUDY OF THE WORLD AROUND US IN ORDER TO EXPLAIN HOW IT WORKS b) STUDIES THE BEHAVIOUR OF NATURAL AND MANUFACTURED SUBSTANCES SUCH AS LIGHT, HEAT, NUCLEAR. c) STUDIES LIVING THINGS, SUCH AS PLANTS,ANIMALS, MICROORGANISMS. 3) what is H2O? a) Water b) Iron c) Sulfate d) Hydrochloric acid e) Oxygen f) Hydrogen 4) what is HCl? a) Water b) Iron c) Sulfate d) Hydrochloric acid e) Oxygen f) Hydrogen 5) what is MgOH? a) Magnesium Hydroxide b) Magnesium c) Sulfate d) Hydrochloric acid e) Oxygen f) Hydrogen

Science

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？