Answer:
4.543 billion years
Explanation:
I looked it up on a wonderful search engine called g00gle
After a certain period of time, diseases and other sicknesses evolve along with humans, making the antibiotics nearly or completely ineffective. For example, if you took one tylenol when you have a cold, it may not be as effective the next day or so and would need to double the dose. Obviously it will all depend on the illness, and what stage it is in, and the strength of the medication. Also, at one point a vaccine for rabies might need an advanced formula because it might have evolved in animals. The possibilities are endless.
Answer:
What type of plants are extinct?
Explanation:
Prehistoric extinctions
Cooksonia.
Archaefructus.
Abies milleri.
Dillhoffia.
Trochodendron nastae.
Araucaria mirabilis.
Araucarioxylon arizonicum.
Sphenophyllum miravallis.
Answer:
The answer should be the third option. 'All animals are multicellular heterotrophs'
Explanation:
Answer by Mimiwhatsup: Photosynthesis will make the glucose that is used in cellular respiration to make ATP(Adenosine Triphosphate). Then the glucose will be then turned back into carbon dioxide, which is also used in photosynthesis (as it is also in the air from the atmosphere). Then water will be broken down to form oxygen during the photosynthesis process, in the cellular respiration the oxygen is combined with hydrogen to form water.
