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vladimir2022 [97]
3 years ago
9

A desert area has many species of cactus and brush as well as birds, snakes, lizards, and rodents. This desert is an example of

a
Chemistry
1 answer:
juin [17]3 years ago
3 0

Answer: Climax Commuity.

Explanation: (hope it’s right! Good luck!)

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kirill [66]
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6 0
3 years ago
Read 2 more answers
List two acids and two bases you come in contact with on a regular basis. Which of these is has a pH farthest away from pure dis
Alona [7]
Bases- soap, baking soda
Acids- oranges,lemons 

idk
6 0
3 years ago
The following chemical equation is not balanced: Al + CuO Al2O3 + Cu When this chemical equation is correctly balanced, what is
Sergio039 [100]
2Al + 3CuO ----> Al2O3 + 3Cu

So the answer is 3
8 0
3 years ago
Read 2 more answers
How can scientists know what happened millions of years ago if no one was there to see it?​
xxMikexx [17]

Answer:

In the 150 years since Darwin proposed the theory of evolution by natural selection, a mountain of evidence has accumulated ... How can you know what happened millions of years ago if no one was there to see it? Evidence and observation are the building blocks of all scientific inquiry; evolutionary science is no different

Explanation:

4 0
3 years ago
Calculate ∆E for the following case:
NARA [144]

Answer:

The internal energy(ΔE) of a substance is calculated below:

From the first law of thermodynamics;

ΔE=q+w

Explanation:

<u>ΔE=q+w</u>

here;

+q=endothermic reaction

-q=exothermic reaction

+w=work done on the system

-w=work done by the system

Given:

q=+1.62kJ=1620J

w=-874J

To solve:

the internal energy(ΔE)

We know:

ΔE=q+w

<em>according to the problem;</em>

ΔE=q-w

since;

w=-874J (i.e.)work is done by the system.

ΔE=1620-874

ΔE=+746J

Therefore the internal energy is +746J

i.e. the option is "c"(+746J)

5 0
3 years ago
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