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skad [1K]
3 years ago
14

When does the first quarter phase of the moon occur?

Biology
2 answers:
NNADVOKAT [17]3 years ago
8 0
B it’s the second one
marshall27 [118]3 years ago
3 0

Answer:

l think

b. one week after the full moon phase

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A student reads the article "Autoimmune Diseases Stopped in Mice" and claims that this research will revolutionize
tresset_1 [31]

Answer:

Explanation:

An international team of scientists led by the Lomonosov Moscow State University group made a significant step in creating a new type of drug for treatment of autoimmune diseases, such as rheumatoid arthritis and Crohn's diseaase

4 0
3 years ago
Read 2 more answers
Which of the following does NOT improve a species ability to survive?
saul85 [17]
The answer is D. competition
8 0
3 years ago
In an ecosystem, the herring population was reduced by fishermen. As a result, the tuna, which feed on the herring, disappeared.
Mkey [24]

Answer:

                         -------> Herring---------> Tuna

                      /                      

Sand eels ⇒/

                     \

                        \

                           ---------> Cod -----------> Seabirds

Explanation:

Food Web is the complex interplay of  interconnection between food chains and a graphical representation of what-eats-what in an ecological community.

From the question, the herring population was reduced by fishermen and as a result the tuna which feed on the herring disappeared. This implies that the tuna depends solely on the herrings for feeding. without they wont survive.

As we proceed, we were being told that the sand eels which are eaten by herring, increased in number.

If we pay close attention, we will understand that due to the reduction of the herrings  made the sand eels to increased in numbers. The point is that herrings also feed on the sand eels, but as the herrings is being reduced by some anthropogenic factors caused by the fishermen the sand eels increased.

Also, the fishermen overharvested the sand eel population and the aftermath effect shows reduction in Cod and Seabirds. This implies that Cod feeds on sand eels and Seabirds feeds on Cod, but as the food chain is being disrupted by overharvesting of the sand eels, the effect was shown by a decreased in the Cod and Seabirds.

Therefore, the best diagrammatic representation that could fit best for this explanation is:

                        -------> Herring---------> Tuna

                      /                      

Sand eels ⇒/

                     \

                        \

                           ---------> Cod -----------> Seabirds

5 0
3 years ago
Why has electricity increased so much over the past 20 years
m_a_m_a [10]

Answer:

It’s been more than two decades since Britain’s retail electricity market was opened to full competition in 1999. Before that, retail supply was provided by state-owned entities with regional monopolies. Today, all consumers, including households and businesses, are able to “shop around” for their electricity, switching to a different supplier or tariff to take advantage of better prices and services.

In principle, that is exactly what liberalised retail markets are supposed to provide: greater consumer choice and protections. But that’s only the case if it’s easy for consumers to switch suppliers and for new suppliers to enter the market. That’s how markets are supposed to stay competitive to deliver low prices and a high quality of service. That was the great hope of electricity policy in 1999, but after two decades, there’s little to celebrate.

To enhance competition, smaller suppliers have been exempt from contributing towards the cost of decarbonisation policies. Known as “the threshold obligation”, this encouraged the entry of smaller companies into Britain’s retail electricity market, but the increase from six suppliers in 1999 to more than 70 in 2019 came at a cost. Many new suppliers have gone bankrupt due to unsustainable business models, resulting in consumers footing unpaid industry bills

7 0
2 years ago
Blood pressure rises and falls in a pattern corresponding to the phases of the
olganol [36]
I believe that blood pressure rises and falls in a pattern corresponding to the phases of the cardiac cycle. The maximum pressure achieved during ventricular contraction is called the systolic pressure while the lowest pressure that remains in the arterial system during ventricular relaxation is the diastolic pressure. 
5 0
3 years ago
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