The reason for why celery stalk firms in water is because of its hypotonic environment and the salt content transfers into the celery stalk which makes the cell firm and significantly bigger.
Frsfbuasdhigsstsdgihytsazsxddddfgjkutrssg
Supplementary means that the measures add up to be 180, so the measurement of the second angle would be 140.
Hope this helped!
Answer:
*Every student may not have access to internet.
*Learning on gadgets may distract the mind .
*It is not effective way to teach.Everyone may not have good environment for learning.
A group of subjects closely followed up together , also has mat variables
