Part a: which statement best expresses the central idea of the text?

a
dna editing is necessary to return organisms to their native habitats.
b
scientists lack control over how gene editing will affect a species’ behavior.
c
dna editing may save endangered species but poses ethical risks of eliminating others.
d
scientists agree that using dna editing on animals to save endangered species is ethical.

Talking listening and reacting non verbally are all part of communicating

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?