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goldfiish [28.3K]
2 years ago
15

Which of these substances are greenhouse gases? Check all that apply. Oxygen carbon dioxide water vapor methane nitrous oxide

Biology
2 answers:
borishaifa [10]2 years ago
8 0

Answer:

carbon dioxide and methane

Explanation:

i did the lesson and took the test

Arisa [49]2 years ago
5 0

Which of these substances are greenhouse gases?

<h3>carbon dioxide </h3><h3>water vapor </h3><h3>methane </h3><h3>nitrous oxide</h3>

Those are answer's <em>I chose</em>, if there are <u>more</u> or <u>less</u>, please correct me.

Please give a <u>brainliest</u> and a <em>thanks</em>.

<h2>❣</h2>
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Can someone please help me answer questions 16-20 please. Thank you!!
torisob [31]

Answer:

16) 6 electrons

17) 6 protons

18) 6 neutrons

19) 4 electrons

20) 6

Explanation:

There are 6 electrons on the rings in total and 6 protons inside the nucleus. If you count the black cir les, there are 6 of them so there are 6 neutrons. Knowing that the inner ring can only hold 2 electrons the most, 6-2= 4. So there are 4 electrons on the outer ring. Knowing that you can get the atomic number based on the number of protons an atom have, the at pool mic number would be 6.

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2 years ago
What is the first step in the life cycle of a plant that reproduces sexually?
coldgirl [10]

Answer:

The most appropriate answer would be A sperm cell fertilizes an egg cell.

In sexually reproducing organisms including plants, life starts as a single-celled zygote which is formed by the fertilization of sperm and egg.

The zygote then divides through mitotic division to form an embryo.

After fertilization In angiosperms, the ovule matures to form seed and ovary matures to form fruit.

In gymnosperms, zygote develops into a new sporophyte.

6 0
3 years ago
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bearhunter [10]
Landfills are harfull to the environment because many substances cannot decompose like styrofoam and all this matter keeps building up but never decomposes
4 0
3 years ago
Would a hypothesis for example be “it is cloudy” and the prediction would be “it will rain” ? can predictions be wrong even if t
Sliva [168]

Answer:

1st one is no, i think the second is no

Explanation:

hypothesis is an if-then statement and predictions are made based off the hypothesis

hypothesis ex: "if you get at least 6 hours of sleep, [then] you will get better grades on tests than if you get less sleep."

prediction: "i will get a lower grade if I get 2 hours of sleep than I will if I get 6 hours of sleep"

5 0
3 years ago
In the following map, the sickle cell allele, HbS is most common in central Africa, the Middle East, India, and small regions of
SCORPION-xisa [38]
<h2>Wide-Spread of Malaria</h2>

Explanation:

  • The sickle cell attribute don't experience the ill effects of the illness.
  • Analysts found that the sickle cell quality is particularly predominant in <em>areas of Africa hard-hit by malaria.</em>
  • <em>Their red platelets, containing some unusual hemoglobin, watch out for sickle when they are contaminated by the jungle fever parasite. </em>
  • Intestinal sickness is lowlands of East Africa thus the sickle cell allele became normal since it gave security against jungle fever.  
  • Sickle cell ailment (SCD) influences a great many individuals all through the world and is especially basic among those whose predecessors originated from sub-Saharan Africa.
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