* (iii) Explain why the second ionisation energy of aluminium is greater than both the second ionisation energy of magnesium and the second ionisation energy of silicon. (4)

In pqr m< p=60 m< q= 30 and m

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: