Variant No. 4 Part 1

Answers to tasks 1-21 are a word (phrase), digit, sequence of digits, or letters. First, write the answers in the text of the work, and then transfer them to ANSWER SHEET No. 1 to the right of the corresponding task number, starting with the first cell, without spaces, commas, or other additional symbols. Write each digit or letter in a separate cell in accordance with the samples provided in the sheet.

The figure shows a tomato plant in different periods of its life.