Решить неравенство. а) Дробью 2+х деленное на 15 - дробью 7х-1 деленное на 5 меньше или равно дробю 5-2х деленное на 9

Find the sentensces with the names of jobs or professional

1 Are person who deals wih office correspondence and records is a ____________

2. Are peson whose job is to treat animals is a____________

3.  Are peson  who checks in and out books and give advice on what to read is a_________

4.  Are peson   gets coal from under the ground is a______________

5.  Are peson  who loads and unloads shaip in a port is a_______________

6.  Are peson  whose job is to cook in a restaurent is a____________

7.  Are peson   who sells newspaper and magazine is a _____________

8.  Are peson   who works in a government office is a ___________

9.  Are peson   whose job is to halp people buy and sell houses is a _____________

10.  Are peson   who designs is an ______________ 

дикая редька. особенности вегетативных органов

Напишите уровень реакций,при помощи которых можно осуществить следующие превращения веществ:

Железо-хлорид железа(2)-гидроксид железа(2)-сульфат железа(2)-железо.