BIOLOGY MIDDLE SCHOOL

Suppose a friend claims thatthe Sun plays no role in lunar phases. Compose an argument
for or against the claim. Provide a
concluding statement that supports the
Argument presented.

Answers

Answer 1
Answer:

Answer:

i dont know

Explanation:

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- 4y – 7y² – 2y ² – 7 x 3 – 4y² + y²​
Explain why a moving object cannot come to a stop instantaneously (in zero seconds). Hint: Think about the acceleration that would be required.
The allele for round seeds is represented by R. Suppose that a pea inherited two recessive alleles for wrinkled seeds. How would you write the symbols for its alleles?
Food webs diagram the complex relationships of energy flow in an ecosystem containing a variety of producers and consumers. A diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem?A. A Star grass → termite→ wildebeest→ aardvarkB. B Hyena → aardvark → impala → harvester antC. C Grasshopper → termite→ warthog → hareD. D Red oat grass → termite → wildebeest → lion

which type of immune cells will recognize a secondary infection by a virus causing a much more rapid immune response

Answers

Answer:

antibodies are responsible for most antiviral activity in serum

Answer:

The antibodies

Explanation:

According to the theory of isostasy, which statement must be true?A. The asthenosphere has the same density as the lithosphere.
B. The lithosphere is denser than the asthenosphere.
C. The asthenosphere is denser than the lithosphere.
D. The lithosphere has the same density as the core.

Answers

Answer:

A

Explanation:

Isostatic equilibrium is used to state why some regions of the lithosphere have greater elevation than others. The crust ‘floats’on the‘liquid’ mantle below and different regions  of the crust submerge into the mantle differentially depending on their local densities or weight. Heavier regions such as in mountainous region (like the Himalayas) are sunken deeper into the mantle that other regions.  Every local region has its own local isostatic equilibrium.

Answer:

The correct option is Option C

i.e. Asthenosphere is denser than lithosphere.

Explanation:

Asthenosphere is the layer situated below the lithosphere.

Theory of isostasy says that the layers above the other layer must have lesser density. This has two explanations. Firstly, if its not hold, then the denser above layer would sink below the less denser bottom layer. Secondly, as we go inwards, the pressure increases. This leads to the lower layers have greater density. So, as Asthenosphere is situated below the lithosphere, it has higher density.

Below is a segment of a strand of normal DNA:ATA GCA TGA
If the DNA sequences changes to:
AAT AGC ATGA
this would be an example of
an insertion mutation
a homozygous mutation
a deletion mutation
Natural Selection

Answers

Answer:

Insertion

Explanation:

this would be insertion because in the first part another A is added which is the cause for there being an extra part at the end and the new A in the first part

What is the typical weather for the year of moscow russia

Answers

This is Russia we're talking about, so there are bound to be a few minor extremes between seasonal temperatures.

Winters last fron November to March and are usually very cold. Temperatures often drop below freezing.

Summers are from May to August and are usually at a comfortable 70-80 degree range. Heatwaves can raise temperatures up to above 86 degrees.

Consider an atom that has 9 electrons. How many electrons would be found in this atom's valence shell?​ ​

Answers

Answer: 7 electrons

Explanation: In the first orbital shell it can only hold a maximum of 2 electrons.

The second orbital or energy level it can hold a minimum of 1 and maximum of 8 electrons.

Since the first shell has 2 electrons it means that the second shell has 7 electrons.

What are the advantages for plants having a vascular systems?

Answers

Vascular system enables them to live in environment where water is scarce. Thanks to having roots plants can absorb water from the ground.

Vascular system also allows products of photosynthesis to be transported all over the plant.
Vascular system helps in easy transportation of minerals and water throughout the plant.
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