English, asked by daphniejoycer, 4 months ago

b) They ----------(experiment) since 2010 with ways to improve air quality.

Answers

Answered by jayajesus

2

Explanation:

they were experimenting since 2010 with ways to improve air quality

Previous Question

Next Question

Similar questions

Hindi, 2 months ago

। इनमें से आँख का पर्यायवाची शब्द है नेत्र ग. नियन, क. नयन नेत्र ख. नायान, नत्र नित्र...

Math, 2 months ago

Pavan makes 5 cups of fruit punch by mixing 3 cups of orange juice with 2 cups of apple juice. How much orange juice and apple juice does he need to make 20 cups of fruit punch?

Computer Science, 2 months ago

The different colours of the Aurora Borealis occur due to the different types of ____...

Science, 4 months ago

The immune system’s job is to a. Identify the germs and eliminate itself. b. Recognize germs and send the antibodies to fight them. c. Constantly send antibodies to find and destroy the germs d. Create weakened germs so the antibodies can learn to recognize them.

Math, 4 months ago

what is basic??? thanks dedo.... plzz...

Math, 9 months ago

A cone is surmounted on a hemisphere .If the surface area of cone and hemisphere are equal find the ratio of the radius and height of the conical part...

Biology, 9 months ago

ysys7svvejek svjsmbs...

Business Studies, 9 months ago

सन् 1969 में भारत सरकार द्वारा राष्ट्रीयकृत दस बैंकों के नामों का उल्लेख कीजिए ।...