Plant cell has chloroplasts, vacuole and cell wall...
animal cell doesn't have any of these...
Many rickettsia are PATHOGENS.
Pathogens are micro organism that cause diseases and rickettsia are majorly disease causing organisms. They are rod shaped bacteria and most species are gram negative. They are natural parasite of some arthropods and they cause diseases in both humans and animals.
Apollo 11. Mission to land on the moon. On 20th July 1969.
The Hubble space telescope. A space telescope. Has helped a lot with space exploration.
Answer;
The above statement is true.
Explanation;
-The sun's chromosphere emits radiation in an electromagnetic band that gives humans skin cancer.
-The chromosphere
is the region of sun's atmosphere just above photosphere
.
-The most inner to the outer layers of the sun
are the core, radiation zone, convection zone, photosphere, chromosphere, transition zone, corona, and solar wind.
-The chromosphere produces emission spectrum
and visible UV & X-ray lines from highly ionized gases.
The right answer is to the question is D.Sr
