Answer:
the answer is b condensation
The older the Earth's crust, the denser it is.
The correct answer is option Selective breeding.
The selective breeding is a technique, in which two different individuals having a specific desired phenotype is present. Both the individuals have different desired phenotype. They are crossed together, so that a progeny having both type of phenotype or trait is obtained.
Hybridization, cloning and recombinant DNA technology emerged years after the introduction of selective breeding. These are very new tools used in DNA technology, whereas, selective breeding was from ancient times.
Answer:
The anser is A the number of plants will decrease ,the number of grasshopers will increase ,the number of snakes will decrease
Explanation:
Answer:
Independent variable - Player being good or bad , presence of audience
Dependent variable - Performance of player
Explanation:
Independent variables are the constant variable in an experiment whose effect is studied on the subject of the experiment. While dependent variables are those which are dependent upon the independent variable.
Here, performance of the player is independent variable which is dependent upon the presence of audience. Hence “presence of audience” is the independent variable. Also , the type of player is also an independent variable which shall effect the performance of an individual player