It constructs new layers of soil and land
I'm not sure what the choices are, but here are some answers that are true about ecosystems:
An ecosystem is a large community of living organisms
Each ecosystem has its own community.
Once defined, an ecosystem is a unit scientists can analyze
The living parts (plants, animals and microbes) of an ecosystem are the biotic components.
The greater the inputs, the greater the biodiversity in an ecosystem.
Ecosystems are dynamic and a greater input leads to a greater biodiversity.
We can draw the conclusions that the rock is sedimentary rock due to it's feature that is formed by different rocks, and from the round pebbles we can deduce that the rock is a conglomerate
Answer:
the answer is a
Explanation:
for example most terrorist attacks are usually directed toward groups of people or "the general public"
assassinations or political violence are directed at say a political leader or public figure. therefore the answer is a.