A 400-gram sample of a radioactive nuclide is left to decay for 30 hours. At the end of 30 hours, only 200 grams of the sample is left. What is the half-life of the nuclide sample

A) 10 hours

B) 1.5 days

C) 30 hours

D) 0.5 hours

True or false Dominant traits are always expressed in the next generation

The creature in the photograph is a protist, which is composed of only one cell. This means that a protist A) cannot reproduce. B) is a living organism. Eliminate C) cannot survive in water. D) gets energy directly from sunlight.

How do plants reproduce? 1. Sexually 2. Asexually

What are ketone bodies, and why do they form during fasting?

Where would you find methanogens, which can function only in the absence of oxygen? Select the correct answer. A. roots of plants B. human intestines C. synthetic fertilizers

Between five and ten different types of cells are in the human body.

What is earth made up of?

A client with stage ii ovarian cancer undergoes a total abdominal hysterectomy and bilateral salpingo-oophorectomy with tumor resection, omentectomy, appendectomy, and lymphadenectomy.

Which of the following is a potential response by a plant host to a parasite? increased production of lymphocytes allelopathy more rapid growth of tissues formation of a gall

What is it called when you interpret the things you observe