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3 years ago

Which of the following is an

Biology

2 answers:

Tanya [424]3 years ago

7 0

The correct answer is c

GalinKa [24]3 years ago

4 0

A.... The number of predators hunting in a particular area.

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What is the charge of an ion with 9 protons and 10 electrons

IRISSAK [1]

Answer:

-1

Explanation:

There are more electrons, which are negatively charged. However, there is only one more electron then proton, therefore, -1.

3 0

3 years ago

In what types of organisms do plasmodesmata serve as a mechanism of cell–cell communication?

DaniilM [7]

B plants hope this helps

3 0

3 years ago

Yeast cells are recovered from a fermentation broth by using a tubular centrifuge. Sixty percent of the cells are recovered at a

Serga [27]

Answer:

$\\ \omega = 5033.22 \ rpm$

Explanation:

Given that:

$R_1 = 0.6\\\\R_2 = 0.95\\\\\omega_1 = 4000 \ rpm\\\\\omega_2 = ???\\\\Q_1 = 12\ l/min\\\\Q_2 = 12\ l/min$

For a continuous centrifuge ; solid recovery R ∝ $\frac{\omega^2}{Q}$

where;

ω = angular velocity of the centrifuge in rpm

Q = flow rate

SO;

$R_1 \alpha \frac{4000^2}{12}$

$R_2 \alpha \frac{\omega^2}{12}$

$\frac{R_1}{R_2} = \frac{4000^2}{12}$ ÷ $\frac{\omega^2 }{12}$

$\frac{R_1}{R_2} = \frac{4000^2}{12} * \frac{12}{\omega^2}$

$\frac{R_1}{R_2} = \frac{4000^2}{\omega^2}\\\\\frac{0.6}{0.95} = \frac{4000^2}{\omega^2}$

${\omega^2} = \frac{4000^2*0.95}{0.6}\\\\\\{\omega} = \sqrt{ \frac{4000^2*0.95}{0.6}}\\\\\\ \omega = 5033.22 \ rpm$

7 0

3 years ago

Which of the following is an important part of scientific methods

nasty-shy [4]

<span>Making a hypothesis is a vital part of the scientific method, one of the bedrocks upon which the entire practice rests. Being able to look at the world and create "if this, then that" statements that can be linked together and tested is what gives the scientific method credibility and makes it able to be replicated by all who practice it.</span>

4 0

3 years ago

What is happening to the amount of carbon in the living things in a biodome

Rzqust [24]

Answer:

Carbon dioxide in the biodome decreased because decomposers decreased which means there was a decrease in cellular respiration overall. How do they figure it out? They get evidence from the sim and from video of an experiment to determine which organisms do cellular respiration.

Explanation:

Hope this helped you :D

6 0

3 years ago