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Pavlova-9 [17]
1 year ago
8

A hypothesis for why narwhals have long tusks can be made using the concept of sexual selection. Which one of

Biology
1 answer:
kenny6666 [7]1 year ago
3 0

In contests over females, the male with the longest tusk should always, or almost always, win.

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Can solor activity cause climate change ?
antoniya [11.8K]

Answer:

"It has been suggested that changes in solar output might affect our climate—both directly, by changing the rate of solar heating of the Earth and atmosphere, and indirectly, by changing cloud forming processes..."

                                                                          - quoted from Google

Explanation:

So yes, it can cause climate change depending on what kind of activities occurs in the solar system.

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Explanation:

The urethra is a tube which runs from the bladder to the end of the penis. It functions by carrying the urine and semen outside the male body.

Urethra is made of two components. Prostatic urethera is the part that runs from the bladder through the prostrate.

The penis is only organ which carries both the fluids out of the body.

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After researching the possible effects of music, Elaina proposes that if people listen to faster-paced music, their pulse rates
Angelina_Jolie [31]

Answer:

Constant variables

Explanation:

Elaina's investigation lacked the critical ingredient of constant variables which are important components of every scientific investigation. In every research, there are 3 important variables, namely:

1. Dependent variables: the actual variable to be measured during the course of investigations and whose values are dependent on another variable (independent variable) supplied by the investigators.

2. Independent variable: one of the variables that are supplied by investigators whose values are often manipulated to see the kind of changes it will cause to the dependent variable.

3. Constant variables: other variables that are neither independent nor dependent but constant for all the various experimental groups in investigations.

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The answer is b i think

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