q.8

the main function of ribosomes is manipulation of genetic characters.........ribosomes id machinery of genes expression.characters are inherited in coded forma..


mitochondria has its own genome and center of restorative activity..so power house

lonesome functioned as food storage

Golgi bodies is inter cell communication network that link nucleus with other organelles

like mitochondria chloroplast has their own genome...and functioned photosynthesis,

rattle snake...California,,America

rhinoceros and chimpanzee ...Africa

ostrich ..Australia

q5...

two forms...

kinetic ...energy due to motion of body

potential...the body contained energy in state of rest

forms

nuclear
tidal
wind
solar
hydal
thermal
geothermal
chemical
electrical

renewable source of energy that via recycling can be regained


as solar ,wind,Geo thermal.tidal and so....


q,5

galaxy is luminous body that contained dust ,clouds and stars and existed due cooling of clouds of gases in space..MILKY WAY GALAXY

big bang theory point toward the origin of universe..and contained H2 .He
the total conversion of H2 to He lead to explosion and after that universe formulated.

Pluto is not a star coz according to new star definition Pluto gravitational field is so much low that it easy allow other bodies to enter in it.example conversion of meteor into meteorite as convert to ash when reach above 100 km due to earth gravitational field,