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Brrunno [24]
3 years ago
5

For a stationary observer, when the source of a sound is moving , its ______

Biology
1 answer:
Hoochie [10]3 years ago
3 0
Answer: B- pitch appears to change
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What elements are in sugar and are any metal
almond37 [142]

The white stuff we know as sugar is sucrose, a molecule composed of 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen (C12H22O11). Like all compounds made from these three elements, sugar is a carbohydrate.

If that didnt answer your question maybe this will:

It's an Alkali earth metal. Sugar is an organic compound that is made from Oxygen, hydrogen, and carbon. ... This is a compound not an element.

8 0
3 years ago
EARTH SCIENCE QUESTION:!! PLEASE HELP!: why has the demand for REEs skyrocketed in the last 20 years?
Angelina_Jolie [31]
The growth of rare earth metals market is driven by the rising use of the product as magnets in hybrid and electric cars and increasing shifts towards clean energy,
8 0
3 years ago
The administration of prepared antibodies, such as those in breast milk, is an example of _____ immunity.
RUDIKE [14]

The administration of prepared antibodies such as those in breast milk is an example of passive immunity.

<h3>What is passive immunity?</h3>

when the prepared antibodies are directly given to protect the body against foreign agents is called passive immunity.

during the initial days of lactation, the yellowish fluid colostrum is secreted by the mother. it contains abundant IgA-prepared antibodies. during breast milk, it contains these antibodies that give immunity to the infant. it fights against the pathogen. these are an example of passive immunity.

To learn about passive immunity refer to        

brainly.com/question/21480961

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8 0
2 years ago
Suppose you are a research assistant in a lab studying dna-binding proteins. you have been given the amino acid sequences of all
kobusy [5.1K]

DNA is a negatively charged component so the amino acids most probably to combine with the DNA are going to exhibit a positive charge at pH 7. Thus, the likely amino acids would be Arginine, Histidine, and Lysine.  

There are three amino acids, which possess basic side chains at neutral pH. These are lysine, arginine, and histidine. Their side chains comprise nitrogen and bear a resemblance to ammonia that is a base. Their pKa values are high enough that they seem to combine with protons, thus, attaining a positive charge in the process.  


6 0
3 years ago
1. This cold, dry biome is populated by lichens and shrubs that can survive great seasonal variations in sunlight and temperatur
Crank

Answer:

1. Tundra Biome, 2. Rainforest Biome, 3. Grassland Biome, 4. Taiga Biome, 5. Desert Biome, 6. Deciduous Forest Biome.

Explanation:

1. Tundra is known for arctic conditions, lying north of Taiga biome. There are large ranges in most climatic conditions here.

2. Found around the equator, variety of tropical animals and plants.

3. Vegetation is mostly grass, very flat land thus good for farming.

4. Also known as the Boreal forest biome. Much vegetation.

5. High evaporation rate, animals adapted to dry conditions.

6. Cold winters and warm summers, thus winter makes growing deciduous.

3 0
3 years ago
Read 2 more answers
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