Galactic rotation speed. we are located about 27,000 light-years from the galactic center and we orbit the center about once every 230 million years. how fast are we traveling around the galaxy, in km/hr? we are traveling at about 800,000 km/hr

speed = 796142.197 km/hr

Step-by-step explanation:

solution

we consider here orbit around galactic center is circular so

circumference formula will be here

circumference C = 2πr   ........1

here we know r = 27000

so

circumference C = 2 π × 27000

C = 169560 light year

so

we travel 169560 light year in 230000000 years

so distance will be

distance =

distance = 0.00073721 light year/year

and we know 1 year = 8760 hours

so 1 light year = 9.46027 × km

so

sped of moving is

speed = 0.00073721 × 9.46027 ×  km/hr

speed = 796142.197 km/hr

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.