Answer:
So you dont spread the germs along with wearing masks this helps a lot.
Explanation:
Answer:
The correct answer is- photosynthesis
Explanation:
According to the endosymbiotic theory, an ancestral cell engulfed a cyanobacteria and lived in symbiotic association with that bacteria and over time this bacteria evolved into the chloroplast and the ancestral cell developed into plant cell.
So as cyanobacteria was the first aerobic cell that can evolve oxygen and can do photosynthesis to produce organic food so it could be concluded that the presence of endosymbiotic cyanobacteria provided a cell with the advantage of photosynthesis.
Answer:
B) Help produce oxygen
C) Help make foods
D) Help break down dead materials
Explanation:
B - Life on Earth <em>depends</em> on protists since they are the ones who supply us with oxygen.
C - Provide food to other living organisms in food chains/webs.
D - Even, recycle important nutrients just for other life forms to use (some protists may also be decomposers; as they also release nutrients into the environment).
<span>If a chemist adds ammonia to a cleaner, he would expect the litmus paper to turn blue. Ammonia is a basic compound with no ions, however in solution it gains an ion and becomes ammonium. These basic ions interact with the litmus paper and turn it blue.</span>
Answer:
Calm down but i gotchu hope it works
Explanation:
This is the periodic table and it shows both the meatl and non metals in the periodic table also their atomic number and mass
