The main cause of extinction on Earth today is, Humans, we are the biggest
threat to our environments'.
Hope that helps!!!! ( We Humans, are our biggest enemy, and threat to ourselves, and he environment.).
Answer:
The precise definition of pH is "the negative common logarithm of the activity of hydrogen ion in solution". For practical purposes, the activity is approximated as concentration in moles/L: pH = - log 10 ([H+]) .
Explanation:
When a half of a persons body is paralyzed it is known they have had a stroke
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.