Answer: Atmosphere
Explanation:
Atmosphere is the part of the earth, known as the gaseous part, since it contains gases such as nitrogen (about 78%), oxygen (about 21%), Carbondioxide (about 0.03%), and rare gases to make the rest.
Thus, atmosphere contains the most whole of oxygen and carbon dioxide
Answer:
The answer is both the first (Cause disease) and second (Cause algal blooms)
Explanation:
Protists may cause disease and even kill living things. Also, algal blooms are essentially protists but have chloroplasts- which plays a part in them being harmful.
Answer:
A frog and humans
Explanation:
A frog develops and changes during its lifecycle,also a human thy grow as they age.