number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248
Answer:
Herophilus and Erasistratus were so important to human anatomy because they were thought to be the first physicians to experiment on a human body.
Explanation:
The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
Answer:
didn't understand can you elaborate it
Answer:
Kailangan isa puso at isa isip na kailangan ang masinop na paggmiat ng pinagkukunan upang maiwasan ang kakulangan na magsasanhi ng disekwilibriyo. Nasa mamamayan ang kapangyarihan upang mapanatili ang maayos na ekwilibriyong presyo at dami sa pamilihan.
Explanation:
