Yeah where’s the picture?
Answer:
Sister chromatids, centromere.
Explanation:
Sister chromatids are defined as the identical copies of the chromatids which is synthesized by the DNA replication of the DNA. A pair of sister chromatids called as dyad. A full set of sister chromatids synthesized during the S phase of the interphase, when in a cell all chromosome are replicated.
Centromere are defined as the specialized DNA sequence of a chromosome which helps to link a pair of sister chromatids. During the process of mitosis, and spindle fiber attached to the centromere with the help of kinetochore.
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.
Explanation:
Catalyst is a chemical substance which increases or decreases the rate of chemical reaction remaining itself chemically unchanged .
