Concrete is formed through sand, rocks, cement, water. do the materials have the same properties as the end materials?

Wats iqpow pls write 20 words for an answer

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.