Answer:
b
Explanation:
earth's ocean did grew higher over time because o rainfall for the last 20 years!
Answer: D. 0.20%
Explanation: since a percentage is the same as a hundredth and 100% is the same as one:
Explanation:
0.2× <u>100%</u> = <u>0.2 ×1 00 % = </u>20%
1 1
Answer:
The correct answer will be option E.
Explanation:
The features given in the question are the characteristics features of the group of bacteria belonging to Cyanobacteria.
These Cyanobacteria are the prokaryotes which are capable of synthesizing the food through a process called photosynthesis. These bacteria use sunlight as their energy, use water and air to synthesize food. They under anaerobic condition synthesize the nitrogen in special structures called heterocyst, a characteristic feature of cyanobacteria.
Thus, the features given in the question are:
1. contain photosystems to carry out photosynthesis.
2. producing oxygen
4. contain phycobilins
6. Hetrocysts: nitrogen-fixing structures.
7. The ancestor of plant chloroplasts.
Thus, option E is the correct answer.
Answer:
The esophagus.
Explanation:
Which is a long tube that connects the mouth to the stomach
No because a cell’s dna can’t be changed. So it’s false