Which of the following is a characteristic of science? A. Testing many variables at once

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

answer: question1

1,000 tons

question2

3: 8

question 3

store d

step-by-step explanation:

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.