Explanation:
In the megasporan- gium of each ovule, the megasporocyte divides by meiosis, producing four megaspores. One survives and forms a female gametophyte. Fertilization: In nucleus of developing endosperm-- Double fertilization occurs. One sperm fertilizes the egg, forming a zygote.
Crusts and uppermost mantle
Answer: they are distinguished from one another <span>by the number of fatty acids attached to the glycerol backbone.
</span>
<span>A monoglyceride is a molecule formed by a glycerol backbone and one
fatty acid covalently bonded to it through ester linkages.
</span>A diglyceride is a molecule formed by a glycerol backbone and two fatty acid chains covalently bonded to it through ester linkages.
A tryglyceride is a molecule formed by a glycerol backbone and three fatty
acid chains covalently bonded to it through ester linkages.
Answer:
Earth's magnetic field is created within Earth by the motion of liquid __________________ in Earth's _________________.
Explanation: iron; outer core
