Answer:
1. D
2. A
3. Not sure, don't know what the images are.
4. Same as 3.
A: A command economy<span> is one in which a centralized government controls the means of production. ... There are </span>advantages<span> and disadvantages of </span>command economy<span> structures. </span>Command economy advantages<span> include low levels of inequality and unemployment and the common good replacing profit as the primary incentive of production.</span>
Explanation:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
Answer:
hii all the below are biotic factors
Explanation:
biotic is a living factor while abiotic is a non-living factor.
all the options are examples of biotic factors but im not sure on rotting log and leaves cause tree is alive but rotting one? i guess yes its alive until its dead similarly the leave it was once a part of a living tree.
so i think that rotting log, dead leaves and bacteria are the correct answers
If there are bodies of water and land to cultivate nearby then that is a good situation for agriculture to take place so that there is where to plant and also a source of water to keep the plants alive and growing. Where human beings find such a geographic situation, say like along the Nile River then a class of small farmers can develop and this is a social stratum.