To solve this first we will see how many cm go in 1 km.
1 km = 100000 cm
To solve:-
2.4 km = ? cm we will multiply.
2.4 × 100000 = 2.4 km = ? cm
2.4 × 100000 = 240000
So, 2.4 km = <span>240000</span> cm (d).
Hope I helped ya!!
D. It expands and contrasts
Hope this helps!!
Answer: . all of the above
Explanation:
Science has benefited the society by contributing to wide areas of scientific fields like their contribution in medical science, invention of alternative sources of energy, and technological advances.
Medical science: Scientists have conducted many research in order to determine the cause of diseases and their possible diagnostic treatments.
New energy: Scientists have found out energy harnessing technology from renewable resources like water, sunlight and biomass which can meet the energy requirement of human society when conventional resources will not be available.
Technological advances: Scientists have contributed to the development of diversity of machinery which can reduce the human labor.
Cellulose should be the answer
Isn’t it active transport????