The answer is b. nematocyst. (hope this helps!)
This statement is incomplete.
"All plants give out oxygen during day and carbon dioxide during night"
Explanation :
Photosynthesis occurs only during day time.
During this time oxygen is produced . Some oxygen is used for respiration and rest of oxygen is diffused out into air.
Carbon dioxide produced during day time by respiration is used in photosynthesis.
But at night time, no photosynthesis occurs and hence no oxygen is produced oxygen from air diffuses into leaves to carry out respiration and carbon dioxide produced by respiration diffuses out into air.
Hence Respiration occurs day and night .. Hence Carbon dioxide is emitted all the time....
Plz Mark Brainliest trying to reach expert
Answer:
Explanation:
We need to find the energy produced when Sun converts 1.7 kg of mass into energy. Einstein's mass energy relation is given by :
c is speed of light
So, energy produced is 
.
Answer:
As of 2014, it was often reported in popular media and in the scientific literature that there are about 10 times as many microbial cells in the human body as there are human cells; this figure was based on estimates that the human microbiome includes around 100 trillion bacterial cells and that an adult human ...
Answer:
I think it is Physical change
