you should observe this event on the water surface in a basin of water to not get blind
Answer:
Zygote
Explanation:
Ovum + sperm =zygote
Increased or maturing zygote is a Blastocyst
Answer:
Explanation: yes because they need to test stuff like how much plants every week
Waxing means the moon is getting brighter. It it moving from a New Moon, no light, towards a Full Moon. Also if you see the light of the moon on the right. It will be getting brighter each night until it reaches a Full Moon Then it will start Waning or decreasing in light each night. So the answer is the last one.