For women, there are things called "Sperms". There is an <em>egg </em>in the women. Think of colors. Say an orange sperm is a boy and a yellow sperm is a girl. If the yellow sperm reaches the egg first, the baby will be a girl. If the orange sperm reaches the egg first, the baby will be a boy. Think of it as a Sperm-race.
If two yellows, two oranges, or one of each comes to the sperm at the same time, you'll have twins.
Same with triples, quadruplets, etc, even though this is very rare.
Can I have Brainliest?
Answer:
Here is the answer
During aerobic exercise, you breathe faster and deeper than when your heart rate is at rest. Your heart rates goes up, increasing blood flow to the muscles and back to lungs.
During anaerobic exercise, your body requires immediate energy.
Cross contamination can happen. It is the process in which the microorganisms can be transferred from one substance to another and causing a dangerous effect especially on food thus the answer is Canned goods should be free of dents and any bulging lids to avoid this.
