B. forum
they hold the most accurate information and people respond the most
D. All of these
Reason being, they wouldn't have been made if something hasn't been discovered about them.
Answer:
void delete_record(student_record *arr, int &size, int age, string name, double gpa) {
int index = -1;
if (arr != NULL && size > 0) {
for (int i = 0; i < size; ++i) {
if (arr[i].age == age && arr[i].name == name && arr[i].gpa == gpa) {
index = i;
break;
}
}
}
if (index != -1) {
for (int i = index; i < size - 1; ++i) {
arr[i] = arr[i + 1];
}
size--;
}
}
Correct answer would be <span>A) <u>quartz</u></span>. Plastic, nylon, and rubber can all be broken down or heated to make it expand, and be used in common products.
Hope this helped :)