Student or Learner
40% of lizard species worldwide could be extinct by 2080.
Barry Sinerro reached the conclusion by taking current data on Mexican lizards and comparing it against extinction modelling and projected risks worldwide.
1. Can I start a sentence with a number as above? I remember reading that a sentence should start with a word, thus it should be 'Forty per cent'. Am I correct?
2. Is 'against' the correct word? I think if should be 'with'.