Answer:
B.) an earthquake
Explanation:
earthquake, volcanoes, tsunamis and landslides are naturally occurring events that can rapidly change earth's surface
It is always necessary to analyze research for bias
B. essential
We cannot store up amino acids on our body, but we can have amino acids through consumption of food. These amino acids of which the body cannot make is called as essential amino acids.
seed coat protects the cotyledons and embryo from outer environment and from attack of pathogens
pollen grain has a sculptors covering with weak points(germ pores) in it through which pollen tube comes out.
A spore is generally protected by 2-3 tough resistant walls around to tied over the unfavourable conditions.
Answer:
it's useful so that if your family has a history of something like cancer just because you have no symptoms they can check to see if you have it just to be sure
