Question

BOTANY Across: 3) The branch of biology that studies plants and their structure. 6) The study of the structure of substances and the reactions when they are combined. 9) The science of stars and planets, and their movements. 11) The study of language. Down: 1) The branch of mathematics in which letters and symbols are used to represent quantities. 2) The study of numbers, measurements and shapes. 4) The general word for the science studying animals, plants and people. 5) The science of matter and energy such as heat, light, sound, etc. 7) The study of the Earth's surface, climate and peoples. 8) The study of the origin and history of rocks. 10) The science that studies the events and social processes of the past.
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Answer 1

Ответ:

Объяснение: …………………………