BONSOİR 1-Comment appelle-t-on la technique utilisée ici pour recueillir le gaz?

2-Quel volume (V) d'air a été prélevé dans le ballon?

3-Calculer la masse (m)
correspondant a ce volume

4-Calculer la masse volumique de l'air (en g/L).

5-En déduire la masse de 1L d'air​

newton's first law of motion

frequency or wavelenth of em radiation in a vacuum

i think the answer is tomato juice? not entirely sure though

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.