It is called a semi-permeable membrane. Most eukaroytic cells have this.
The correct option is B, that is, A FAMILY DONATES USED CLOTHING TO A SECOND HAND STORE.
Waste prevention has to do with the process and practice of reducing the amount of wastes products in order to produce a more sustainable environment. Waste prevention can also be called recycling. There are three types of waste prevention, these are primary, secondary and tertiary waste prevention / recycling.
Primary waste prevention refers to a situation in which the material to be disposed is not changed in anyway, before been reused. Such material can be given to friend or donated to a charity organization. The material is always used for the same purpose as the original use.
Secondary waste prevention involves some kind of modifications while tertiary waste prevention usually involves the use of chemicals and heat.
The surface area to the volume ratio gets smaller as the cell gets larger. If the cell grows beyond a certain limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
Hope that helps
Answer:
the middle east region was not always a vast desert
I can’t see the picture but it would be gravity going down
