Fleas are tiny insects that you might find on your dog. Fleas bite animals' skin and suck their blood, causing the animal to itch while the fleas get food and a warm home. This is an example of .
Select one:

parasitism

predation

mutualism

commensalism

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.

By locating production facilities abroad, multinational corporations must pay more for labor true or false