Question

Define following keywords: (1*3=3)
a. Electroplating
b. Secondary sexual characters
C. Amplitude​

Answer 1

Answer:

a. Electroplating ⇒ Electroplating is a general name for processes that create a metal coating on a solid substrate through the reduction of cations of that metal by means of a direct electric current.

b. Secondary sexual characters ⇒ Characters which usually appear during the phase of puberty are called as secondary sexual characters. These are the features that help in distinguishing the male and the female body from each other.  

Characters seen in male: Hoarseness of voice, appearance of beard, broadness of chest, growth of hair in genital areas.

Characters seen in female: Start of menstrual cycle, growth of breast, growth of hair in the genital areas.

C. Amplitude​ ⇒ Amplitude is the distance between the center line of the function and the top or bottom of the function.

hope it helps

                            $JENNIE$

Answer 2

Answer:

a. Electroplating ⇒ Electroplating is a general name for processes that create a metal coating on a solid substrate through the reduction of cations of that metal by means of a direct electric current.

b. Secondary sexual characters ⇒ Characters which usually appear during the phase of puberty are called as secondary sexual characters. These are the features that help in distinguishing the male and the female body from each other.  

Characters seen in male: Hoarseness of voice, appearance of beard, broadness of chest, growth of hair in genital areas.

Characters seen in female: Start of menstrual cycle, growth of breast, growth of hair in the genital areas.

C. Amplitude​ ⇒ Amplitude is the distance between the center line of the function and the top or bottom of the function.

Explanation: