<span>Certainly. Every organism has a variety of different characteristics. One person writing a key might choose to use different characteristics than another person would use.
For example: Here's a key for separating fish, snake, frog and mouse
1.
A. Has scales on its skin ... 2
B. Has no scales on its skin ... 3
2.
A. Breathes with gills - fish
B. Breathes with lungs - snake
3.
A. Has hair or fur - mouse
B. Has no hair or fur - frog
Here's a different key for the same four animals:
1.
A. Has four legs ... 2
B. Does not have 4 legs ... 3
2.
A. is warm-blooded - mouse
B. is cold-blooded - frog
3.
A. has fins - fish
B. has no fins - snake</span>
<span>The answer False. Male older adults are not abused at a higher rate than women.
Much gender-based violence or abuse is directed towards women. This term is treated on the war against women, but a war in gender violence is a man's issue.</span>
Differentiation->Fertilization->Gamete Production-Mitosis
<span>Fertilization->Differentiation->Gamete Production->Mitosis </span>
<span>Gamete Production->Fertilization->Mitosis->Diff... </span>
<span>Mitosis->Fertilization->Gamete Production->Differentiation </span>
The correct answer is that the following is true concerning sources of water pollution is option a. Mine wastes and heavy metals become water pollution through stormwater runoff.
Mine wastes and heavy metals become water pollution through stormwater runoff. As water contaminates by producing coppers, sulfate, sodium as the toxic elements contaminating the water. The chemicals are released from mining activities by contaminating soil, air, by causing pollution.
<h3>What are sources of water pollution?</h3>
The sources of water pollution are :
- mining
- industrial wastes.
- marine dumping
- burning of fossils
- chemical fertilizers.
Hence concluded that water pollution can cause be caused by Mine wastes and heavy metals becoming water pollution through stormwater runoff.
To know more about water pollution refer to the link :
brainly.com/question/25742259
a. What is a star's spectrum?
A star's spectrum refers to the <em>"amount of light"</em> that stars they give off according to varying wavelengths. Since we cannot tell the amount of light a star gives off quantitatively from Earth, we can differentiate them according to how bright they appear.
b. Which spectrum is most common in stars?
Stars are classified according to their spectra <em>(elements in the star)</em>. They are classified into 7 types <em>(O, B, A, F, G, K and O). </em>The most common type is M, however, it gives off a dim light.
c. How can it differ from start to star?
Although stars follow a continuous spectrum, the spectra of a star differs from each other because <u>they do not give off the same amount of energy at the different wavelengths. </u>
d. What does the spectrum tell us about the star?
The spectrum can tell the<em> surface temperature</em> of the star. This means that a blue star (we often see it as a white-colored star from Earth) is hotter than that of a yellow star. A red star is considered the coolest star among all.
The spectrum of stars also allows the astronomers to study composition of the stars according to their <em>wavelengths.</em>
