PLEASE HELP ASAP Other than to determine evolutionary relationships, what are molecular clocks used for?
1. to locate fossils under water
2. to cure hereditary diseases
3. to compare homologous structures
4. to classify organisms

Which best explains how this maneuver unblock a person's airway?

Abanana plant produces rhizomes, which are involved in

You have 2 plants of the same type and same size, same amount of leaves. one of them is put inside the house and the other one is put in the balcony. you water them saturday, one plant with 200 ml and the other with 400 ml of water. which one of your plants need less water? explain.