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Annette [7]
3 years ago
9

The sun is a medium-size star with average luminosity and temperature. Which of the following describes the relationship between

two stars if their apparent magnitude is the same? A. The luminosities must be the same. B. The luminosities and distances can both be different. C. The distances from us must be the same. D. The luminosities and distances must be the same.
Biology
2 answers:
Ksenya-84 [330]3 years ago
5 0

Answer:B

Explanation:

I took the test

Ivanshal [37]3 years ago
3 0
I want to say B because they could have the same characteristics but their distance and luminosity could be very different. <span />
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What food product is most likely to be enriched with thiamin niacin riboflavin and iron?
svlad2 [7]

Refined grain products like bread, flour tortillas, white rice, cornmeal, crackers etc are enriched with riboflavin, niacin, iron and thiamin.

Enriched grains is finely ground endosperm of the kernel. Enriched grain products are good as a source of iron and four types of vitamin B which includes niacin, thiamin, folic acid and riboflavin and also contains some complex carbohydrates.

Wheat and rice are a staple diet in many regions of the world but excessive polishing and refining the cereals removes the essential nutrients or vitamins which have their own important physiological roles.


5 0
3 years ago
True or false, biological evolution happens when changes in genetic makeup of a species occurs over time.
Dovator [93]

Answer:Evolution is a process that results in changes in the genetic material of a population over time. So its true!

Explanation:

This is correct!

8 0
3 years ago
Two or more related lineages acquire a similar characteristic which is not found in a common ancestor. What are the structures c
motikmotik

Answer:

The correct option is D. analogous

Explanation:

We speak of an analogy when one structure is similar to another or has the same function, but whose embryonic development and its origin or ancestor is not common, they are different, in other words, they are analogous structures if they fulfill functions or acquire similar characteristics starting from the same medium, without requiring them to have the same evolutionary origin (they may or may not be similar structurally and embryologically).

3 0
3 years ago
What is the current greatest threat to agricultural sustainability? a. erosion b. water pollution c. air quality d. all of the a
Taya2010 [7]
Just took the test it's A :)
8 0
3 years ago
Read 2 more answers
I dii ok not under stand this please help me!
satela [25.4K]

Answer:Answer:

For 1: The correct answer is Model 1, 2, and 4.

For 2: The correct answer is Option 1.

Explanation:

For 1:

An element has 3 subatomic particles: electrons (E), neutrons (N) and protons (P).

Atomic number is defined as the number of protons or number of electrons.

Atoms having same number of protons are same. From the given models, Model 1, 2 and 4 have 2 protons with different neutrons. Hence, these models belong to same element.

For 2:

A compound is defined as a substance in which two or more types of elements combine in a fixed ratio. For Example:  is a compound made out of atoms of carbon and oxygen.

Hence, the correct answer is Option 2.

7 0
3 years ago
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