What is a medium wave???

Answers

Answer 1
Answer: The medium of a wave is any substance that carries the wave, or through which thewave travels. Ocean waves are carried by water, sound waves are carried by air, and the seismic waves of an earthquake are carried by rock and soil.

Related Questions

BRAINLYEST IF CORRECT! 2 QUESTIONS. HELP FAST PLEASE!!5. A light bulb converts electrical energy into light energy and also some thermal energy. The amount of electrical energy is 50 Joules before the conversions. What is the total amount of energy after the conversion? A. 50 Joules because as energy converts from one form to another, it cannot be created or destroyed during the conversion. B. 55 Joules because as more electricity comes in to the light bulb, the Joules increase. C. 100 Joules because you start with one form of energy and end up with two forms, so the amount of energy doubles. D. 45 Joules because some energy is lost when it is put off as heat. 6. Water that flows from behind a large dam can cause machines to produce electricity. What change takes place? A. Sound energy changes into electrical energy. B. Mechanical energy is used to produce electrical energy. C. Chemical energy is used to produce electrical energy. D. Heat energy changes into mechanical energy.
Taxonomy seeks to what
What do you call a group of organisms that are of the same species in an ecosystem?a. community b. producers c. population d. consumers
The three large arteries originating from the aortic arch are the __________.
3 examples from finding nemo of organisms that use camouflage as an adaptation to survive

What would be the first step in using PCR to copy a gene?

Answers

B. DNA is heated to separate strands
This is always the first step in a PCR reaction, the Heat acts as Helicase to unwind the double helix.

The following diagram demonstrates the flow of water when a cell is placed in different aqueous solutions. Review the labels at the top of each picture. If a marine plant is placed in a salt water aquarium, predict the flow of water and salt into/out of the plant's cells.

Answers

A simple solution is basically two substances that are evenly mixed together. One of them is called the solute and the other is the solvent. A solute is the substance to be dissolved (salt). The solvent is the one doing the dissolving (water). If the cell is placed into a salt water solution, the salt will replace the water (standard osmosis laws), but if there is very little or no salt, then water replaces the salt.

B) Because the solution is isotonic, there will be no net movement of either water or salt.

A "limiting factor" is something that limits the number of organisms that a certain ecosystemcan support. Why is this process so important to understanding the number of plants that can be
supported by an ecosystem?

Answers

Answer:

umm chile

Explanation:

me dont understand because im slow

When a chromosome pair fails to separate correctly in meiotic division, what is it called?a. Chromosome deletions
b. Crossing-over
c. Nondisjunction
d. Trisomy

Answers

C. Nondisjunction. 
Nondisjunction is the failure of  one or more pairs of homologous chromosomes or sister chromatids to separate normally during nuclear division. This can result in deformities in a new-born such as Down Syndrome, due to lack of chromosomes in the body.

The operator portion of the lac operon controls RNA polymerase's access to lactose-metabolizing genes. true false

Answers

True!

The lac operon is responsible for transport and metabolism of lactose in enteric bacteria. It consists of structural genes, promoter, operator, regulator, and terminator. The operator is a segment of DNA to which some repressor proteins bind. These proteins prevent RNA polymerase from binding to genes and transcribing them. Thus, the operator controls RNA polymerase's access to lactose-metabolizing genes.  

Cells such as nerve and muscle cells contain more mitochondria than other cells.why?

Answers

The correct answer is A. those cells use more energy

They create and use more energy than other cells which is why they need more mitochondria.