The right answer is
C (see the images):
An organism is
heterozygous for a gene when it has
two different alleles of that gene on the same locus for each of its
homologous chromosomes.An allele is a variable version of the same gene or genetic locus, that is to say, a varied form that can be distinguished by variations in its nucleotide sequence.
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<span>In comparison with the development of the other organs the prenatal development of the lungs occupies a special position. The lungs as breathing organs are unnecessary for intrauterine existence. Nevertheless, they must be developed to such an extent that they are immediately ready to function </span>following birth<span>. This explains why the entire development extends from the </span>embryonic period<span> through the </span>fetal period<span> up to birth (and even afterwards). During intrauterine life, the lungs are nevertheless an </span>important source<span> of </span>amniotic fluid<span>. Daily, ca. 15 ml per kg of body weight is produced that flows out via the trachea and mouth or is swallowed.</span>
The answer is All of above
Answer:
a. 30 cm³
b. 4.33 g/cm³
Explanation:
a Volume of the object = l*w*h
l = 5 cm
w = 2 cm
h = 3 cm
Volume of object = 5*2*3 = 30 cm³
b. Density of the object = mass of the object / its volume
Mass of object = 130 grams
Volume = 30 cm³
Density of the object = 
Osteoporosis refers to an ailment characterized by reduced bone mass and loss of bony tissue that may lead to weak and fragile bones. In an experiment, Dr. Travis tested the influences of the consumption of calcium on osteoporosis, the condition that results in enhanced chances of bone fractures.
In the given experiment, the amount of calcium is the independent variable, and the risk of bone fractures could get changed with the amount of calcium consumption.