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alekssr [168]
3 years ago
14

Why does the amount of daylight we see each day change throughout the year?

Biology
2 answers:
jek_recluse [69]3 years ago
7 0
It is more concentrated during<span> our summer months when the sun is higher in the sky
</span><span>


</span>
vredina [299]3 years ago
5 0
Because the earth's rotation isn't a perfect circle, so it gets different amounts of sun in certain times
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2 years ago
One of the effects of the hormone secretin is to stimulate the release of bicarbonate ions into the duodenum, which neutralizes
avanturin [10]

Answer:

It will enable gut enzymes to act on the bolus during digestion.

Explanation:

The acidic presence of HCl (hydrochloric acid) in the gastric juice serves as a stimulus for the intestinal wall to produce secretin.

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3 years ago
Global warming is primarily caused by an increase in the atmosphere of which gas a. CO2 c. ozone b. O2 d. CFCs
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3 years ago
Which of the following correctly compares Ornithischian and Saurischian dinosaurs?
kumpel [21]

Answer:

The option c is partly correct.

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None of the statements is completely accurate because:

a. Saurischian dinosaurs include theropod and sauropod dinosaurs, and their common ancestors. Ornithischians comprise neornithischians (ornithopods and ceratopsians), thyreophorans (ankylosaurs and stegosaurs) and heterdontosaurids.

b. Capability to fly has only been documented in fossils belonging to Saurischia (where the birds are also classified in). Feathers, on the other hand, do appear in the two clades. Feathers, however, are not a trait exclusively associated to flight.

c. This is a correct comparison between ornithischians and saurischians in the sense that the attributes do belong to these clades, but when comparing animals there most be a comparison that reflects a pattern. Ornithischians have leaf shaped teeth suited to eat plant material, whereas saurischians have teeth for a carnivore and herbivore diet.

d. Sauropods are saurischians and they evolved herbivory from a meat-eater ancestor.

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3 years ago
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