Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung.
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
If a decaying baby teeth is untreated properly without an expert's care, it may lead to permanent and serious problems in the developing permanent teeth. Which why it is advisable for parent to bring their children to their family dentist for regular check-ups to diagnose any present problems in the teeth and may be fixed right away.
your answer is going to be a.true hun:)
The first reason is that Thats because the seeds will remain dormant until they have the resources they need for eg: some seeds are frozen in winter so that they wont germinate until they have enough resources in spring .
The single type of bacteria is not adequate to make any conclusions.
