In all of the cases that I've seen it is usually subtractive, but most of the time it depends on how old the child is.
ANSWER IS C
C. The joining of an egg and a sperm
Explanation:
Fertilisation
is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote
A home gym would be the best option, most public gyms don’t have a pool. but personal trainer also makes sense too
The myth that eating late at night is popular because it is widespread, this makes people believe it. With influences such as Oprah herself advising against late night snacks, we're influenced. The myth is false because overall a calorie is a calorie. People believe that we don't lose or burn calories as we sleep, but this is false. We do lose calories.
Responsible actions to take whilst eating late at night is to avoid it, or best eat a calorie-controlled snack. Research has shown that late-night eaters tend to make poor food choices and aim for the yummy (but unhealthy) stuff.
Hope this helped!