The old brother is 4 and the small brother is half of his age if the big brothere goas to 100 years old how old is the small brother going to be?

Which biome is home to lions, zebras, wildebeests, giraffes, and elephants?

To respond to a chemical signal a cell must have and to which the signaling molecule can bind?

Which of the following is the correct order of steps in transmission between two neurons? 1. Neurotransmitters are released into the synaptic cleft. 2. Receptors on the postsynaptic membrane bind neurotransmitters. 3.

Which layer of Earth is the warmest? A) crust B) inner core C) outer core D) upper mantle

When a boxer is hit in the head by a moving fist, what type pf concussion injury does this,?

Does the specimen have a jawless, funnel-like mouth?

Which of the following is an example of condensation nuclei Dust Smoke Salt particles All of the above

What would happen to the population of an animal if its natural predator was removed from the food web? A) It would decrease B) It would stay the same C) it would increase D) It would fluctuate

Ali wants to buy a piano. The piano measures 19/4 feet long. She has a space 5 feet long for the piano in her house. Does she have enough room? Draw a number line to show, and explain your answer.

Boyle's law states that, as the pressure of a gas increases, the volume decreases True or False?