Answer:
C. Stem Cell
Explanation:
Because a specialized tissue cell is a stem cell and cells that are already specialized cannot go back to being a stem cell.
using good bugs to kill bad bugs
trimming off infested plant branches
* never sterilizing tools
using chemicals only when necessary
Answer:
The correct answer is "never sterilizing tools".
Explanation:
Integrated pest management (IPM), also known as integrated pest control (IPC), is a series of recommended practices to reduce and control the development of pests in plants of interest. Never sterilizing tools is not part of following a IPM approach. Actually, it is recommended to sterilize tools to eliminate any risk of contamination and spreading the pests that could result from handling contaminated plants.
b. open meadows help to filter out water pollutants in water
c. dense vegetation allows for biological magnification in the water
d. open meadows allow for biological magnification in the water
A. x = 4, y = 5
B. x = –4, y = 0
C. x = 4, y = –5
D. x = 0, y = 5
x = 4, y = -5
This is a problem with complex numbers.
A complex number is a number of the form where x and y are both real numbers.
For example,
Let's look at the key problem.
We must identify the values of x and y that would make the following expression represent a real number.
At this point, 4yi and 5xi must be of equal value and marked opposite, so that the expression represents real numbers.
Become a fraction, i.e.,
From the options, the answer is C.
- - - - - - -
Let's check back to expression.
x = 4 dan y = - 5 ⇒
Thus the expression represent a real number of 41.
Keywords: identify, the values of x and y, the following expression, represent a real number, (4 + 5i)(x + yi), a complex number, real, imaginary