The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. When the earth's axis points towards the sun, it is summer for that hemisphere. When the earth's axis points away, winter can be expected.
The expression 
is a product expression
The denominator of the simplified fraction is 3n -2
<h3>How to determine the denominator?</h3>
The expression is given as;
Divide the first fraction by 2/2
Evaluate the above product
The above fraction is a simplified fraction of , and the denominator is 3n - 2
Hence, the denominator of the simplified fraction is 3n -2
Read more about fractions at:
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The tone of the author in this passage from "When the birds get flu" can be described as caring.
<h3>What is the tone?</h3>
This refers to the general attitude of the author in a text when referring to the subject or topic the author describes. For example, a text about the pandemic might have a pessimistic or optimistic tone.
<h3>What is the tone in the excerpt?</h3>
This excerpt shows a rather caring tone, this is because the author seems to worry about the negative impact of the mad cow disease on farmers. This can be seen in excerpts such as:
- "the sad look on some owners’ faces"
- "the business they built from scratch was destroyed
Learn more about tone in: brainly.com/question/1416982
Secondary or both primary and secondary
It’s either one I believe
-<3 sorry if I’m wrong!
