<span>The correct option is A. SI unit is the standard measure by which a measurement is made all over the world. Length is a measurement, its SI unit is meter and the tool used to measure it is ruler. The other options are wrong because, temperature is measured in kelvin, weight is measured in kilogram and volume in cubic meter.</span><span />
The sperm (male nucleus) goes through the pollen tube via micropyle
to fuse with the female nucleus. can I please get brainliest also I need it to advance
Yes, they are rare events
true
