The most common cause of desertification is

a. mining.

b. drought.

c. overgrazing.

d. the construction of dams

If copper (II) sulfate solution and an iron nail are in contact, a replacement reaction occurs. What would the products of the reaction be? 2Fe + 3CuSO4 →? 2Fe + 3CuSO4 Fe2 (SO4) 3 + 3Cu 2Fe + 3Cu + 3S + 3O4

Producers are autotrophic. That is, they are able to feed themselves by converting carbon dioxide from the air and light energy from the Sun into food. Consumers and decomposers are heterotrophic.

When are phytoplankton counts the highest?

Which of these animals is considered a model for punctuated equilibrium? whale ammonite archaeopteryx

What is the role of cell differentiation in the development of the organism

What are four sources of minerals?

How many organisms depend on the squid as a source of food?

A slow persistent mass movement of surface soil is called

Explain true or false. unlike planets and dwarf planet cannot have moons

Where on planet Earth (in terms of latitude) the majority of Solar radiation is absorbed and explain why