Answer:
A. amount of food available
Explanation:
An experiment consists of two types of variables, independent and dependent. Value of independent variable is decided by the person doing the experiment and is independent of experimental conditions. Value of dependent variable is dependent on the independent variable. It can not be altered by the person doing experiment.
Here, it is given that mice receive variable amount of food each day and their lifespan is recorded. Since the amount of food is decided already it is the independent variable. The lifespan is expected to depend on the amount of food hence it is the dependent variable.
Cooks add salt to water in order to further flavor their food via osmotic behaviors.
Urethra. <span>
<span>It is
a narrow tube that is connected to both the bladder and the ejaculatory duct
(in that order). It is therefore responsible for transporting urine and semen
from the body. It is a fibro-muscular duct that is housed by the penis. It
outer part of the urethra contains some sphincter muscles that allow
voluntary control over urine while the inner part of the urethra allows for
involuntary transmission of semen during ejaculation.</span></span>
Answer:
electrons
Explanation:
Electrical energy is caused by moving particles that have a negative or positive charge. These particles are called electrons
Answer:
B. 50%
Explanation2 of the offspring are heterozygous (Yy). 2/4 = 50%