1. I'm absolutely sure. 2. I'm positive that... 3. I have no doubt that... 4. I'm a hundred percent certain. 5. I'm convinced that... 6. Chances are that... (= this will probably happen) 7. Odds are that... (= this will probably happen) 8. I seriously doubt it. 9. I don't think so. 10. Probably not. 11. It's not very likely. 12. There's not much chance of that. 13. I'd be very surprised if that happened. 14. I wouldn't bet on it. (= there's a small chance it could happen... but it probably won't happen) 15. That'll never happen.
Mosquitoes are first attracted by the carbon dioxide exhaled by animals and humans. Once mosquitoes fly closer, body heat guides them onward until their intended prey is in sight. Body odour, perfumes and scented lotions also guide the insects toward their next meal