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DiKsa [7]
2 years ago
15

PLEASE HELP ILL GIVE BRANLEST AND 15 POINTS PLEASE SOMEONE

Biology
1 answer:
vodka [1.7K]2 years ago
4 0

Answer:

1. Air warms, becomes less dense, it rises

2. Air cools down, increases density (becomes denser), it sinks

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In conditioning, during the sequence of delaying the stimulus, the dogs often displayed____ anxiety or excitement
Gnom [1K]

Answer:

C is yo answer

Explanation:

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2 years ago
Can you guys name those cities that I numbered please!!!!!!!!<br> ASAP!!!!
Temka [501]

1. Humboldt

2. Mendocino

3. Sonama

4. Butte

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3 years ago
What is an outcome of lack of oxygen?​
siniylev [52]

Answer:

Brain cells are very sensitive to a lack of oxygen. Some brain cells start dying less than 5 minutes after their oxygen supply disappears. As a result, brain hypoxia can rapidly cause severe brain damage or death.

Explanation:

Other symptoms can include: hallucinations and delusions; increased agitation and confusion; depression and other mood disorders; personality changes, such as irritability and a reduced threshold for frustration; and an inability to focus or concentrate.

4 0
2 years ago
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A "healthy ecosystem" can also be described as
NISA [10]
A healthy ecosystem can be described as Resilient (b)

A commonly cited broad definition states that a healthy ecosystem has three attributes:
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8 0
2 years ago
Which of the following is not an observation or inference on which natural selection is based?
olga2289 [7]

Answer: B. Poorly adapted individuals never produce offspring

Explanation:

Natural selection is a theory that states organisms adapts to its environment due to differences in their phenotypes. So, <u>individuals with favorable traits are more likely to survive and reproduce</u>. It is a key mechanism of evolution, which is the change in traits of a population over generations.

<u>Populations respond to natural selection if they contain heritable variation </u>among them, wich means that individuals differ in the traits they transmit to their offspring.

Because of the environmental selection pressures, individuals produce more offspring than their environment can support. <u>The pressure determines which individuals will survive and reproduce</u>, while others will die because of predation or diseases. So, natural selection is based on the observations of adapted individuals.

4 0
3 years ago
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