In places where seafloor spreading is occurring, you would expect to see ...

A. a mid-ocean ridge.

B. an oceanic trench.

C. volcanoes.

D. Both A. and C.

What is a genome of an organism?

Unless a series of sedimentary rock layers has been overturned, which layer is usually the oldest? the layer on the top the layer with the most minerals the layer with the most fossils the layer on the bottom the igneous intrusion (dike)

The purpose of traffic signs, signals and pavement markings is to

Which statement best describes Pseudomonas aeruginosa bacteria? (1) they cause mutations in humans. (2) they are easy to control. (3) they cause major infection problems in hospitals. (4) they are deadly only to people with cystic fibrosis.

Which of these is a function of estrogen in reproduction? A. Releasing the growth hormone B. Developing the motility of sperm C. Stimulating the release of luteinizing hormone D. Reducing the hardness of bone tissue

Which of the following would have the LEAST amount of momentum? A. a stationary boulder B. a boulder falling off a cliff C. a boulder rolling down a hill D. a boulder rolling along on a flat surface

How does the domain Eukarya differ from the other two domains? A) All organisms in the domain are heterotrophic. B) All organisms in the domain are multicellular. Eliminate C) All organisms in the domain have eukaryotic cells.

What would happen if your backbone and spinal cord was injured at your waist

Label the steps for protein synthesis in order, beginning with the first step. step onestep twostep threestep four step five Once the protein is made, the gene for a particular trait is expressed.

In humans, the ability to produce the pigment melanin is dominant over the lack of that ability, a condition known as albinism.