Answer:
B
Explanation:
take salt water for example if you put a egg without a shell in it the water leaves the egg because of the salt water's low concentration
Answer:
a
Explanation:
it's a I like chicken is that cool
Answer:
A is the correct answer
Explanation:
the existed about 3.8to 4.0 billion years ago
The right answer is A.
Plant species are particular in their ability to produce oxygen and carbohydrates through photosynthesis. The plant, just like the animals also needs to breathe so that these cells survive, so it is forced to take some of the oxygen and carbohydrate produced by photosynthesis to operate these cells through cellular respiration.
