Answer:A concave mirror is a spherical mirror with the surface of reflection is curved in an inward direction while a convex mirror is a spherical mirror with a reflecting surface with an outward bulge.
Explanation:
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Answer:
The answer is letter D
Explanation:
<em>The set point is the weight range in which your body is programmed to function optimally. Set point theory affirms that an indivual's body will fight to mantain that weight range. Evebody is biologically and genetically determined to weigh within a certain weight range. Set points will vary for each individual person. </em>
<em>Scientists estimate that the average person has a set point range about ten to twenty pound rage at which your body will be comfortable and not resist attempts to change.</em>
For most genes on the human X chromosome, 100% of XY males with mutant allele on the X chromosome will express the mutant phenotype.
50 % of human sperm cells that carry an X chromosome. There is 50 % chances that daughter of any male will not carry the gene and can't pass it on and 50 % chance that sons do not have the gene and it will be healthy. 50% chance that son have inherited the gene and express the trait or disorder.
If a Egg is fertilizes by sperm with X chromosome then zygote will be a female ' XX'. If the Egg is fertilizes by sperm with Y chromosome , then zygote will be male 'XY'.
To learn more about human sperm cells here
brainly.com/question/276208
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C. It's necessary for the survival of the individual
Answer: This symptom is called the ADHD Hyperactive - Impulsive type
Explanation: The full meaning of ADHD is attention-deficit/ hyperactive disorder. It is believed that ADHD is genetic. It is a chronic behavioural disorder that is diagnosed in childhood and can continue into adulthood. Children diagnosed with this disorder experience difficulty with paying attention, sitting still, they fidget, they are hyperactive and easily distracted. We have 3 types of ADHD, they are:
a) ADHD the combined type
b) ADHD the Hyperactive -type
C) ADHD the inattentive and distractible type.
