You have a small piece of iron at 25 °C and place it into a large container of water at 75 °C. Which of these could be the temperature of the water after 10 minutes? A) 25 °C B) 30 °C C) 75 °C D) 80 °C

If an Arctic polar bear is transferred to a zoo in tropical Singapore, it will not be able to survive. What could be the reason for this? a-tolerance only for cold climates b-inability to find a partner for mating c-injuries during transportation

What results when animals live together in extremely large groups? A. They rapidly use up resources. B. They can't develop their own territory. C. It becomes easy to divide food. D. It's easy to assign hunting responsibilities.

If rainfall on sand dunes increases, then the erosion rate of the sand dunes will increase Why is this statement a hypothesis rather than a theory?

A student is preparing a solution of 0.1 M Tris-Cl (pH 7.0) with 200 mM NaCl. To adjust the pH, the student started with concentrated HCl and overshot, reducing the pH to 4.0. To correct this, the student added NaOH until the pH reached 7.

Which procedure took the DNA from one sheep to produce a genetically identical lamb, named Dolly

Which species do Green Crabs consume

How does nuclear fission produce energy? A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy. Moving water turns turbines to produce electricity. Carbon atoms are bombarded by small neutrons.

Which is the first step in the scientific method

What type of organisms make starch & for what purpose

Dlaczego ryby i płazy mają skórę pokrytą śluzem?