Answer:
Given that ,
Mass of object , m=8kg
Velocity of object , v=4s
Kinetic energy of object , K=
2
1
mv
2
=
1/2×8×4^2
=64 N
The cleanliness of a ecosystem or how healthy it is. It determines how clean an environment/ecosystem is. You need all types of animals living there, therefore making it more healthy. The more healthy, the more we can say that it is biodiverse.
Im sory i cant help
none of the answers r there
In humans, the yolk sac is the
site of origin for blood cells and primordial germ cells. The human yolk sac is
a membrane located outside the embryo and it is connected by a tube through the
umbilical opening to the embryo's midgut. The yolk sac serves as an early site
for the formation of blood and in time, is incorporated into the primitive gut
of the embryo.
