Yeast and sugar are added to water, the gas produced is captured, and its volume is recorded. Which variables should be held constant during this investigation?

i know the answer, just need an explanation as to why

You are a sun worshipper, constantly sunbathing without sun screen or other protective devices. in addition you are a smoker. these together have significantly increased your chances of getting what disease?

Which sphere experiences changes over time

Through which valve will blood flow when leaving the right atrium?

Why does a tundra lack trees? A. the animals eat it to quickly B. the permafrost has no soil C. the permafrost ground prevents deep root growth D. the ground is a glacier

When designing an experiment, a benefit of larger samples sizes would be more

What is the name of a complex group of organisms that are connected and interact with one another?

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

What is placebo and why is it used in some experiments

What is organ? a. group of different types of tissue that work together to perform a specific function or related functions. b. group of cells that work together to perform a similar function. c.

The temperate phage lambda can undergo two life cycles depending on the environmental cues. During which cycle does phage lambda form a prophage? Choose one: A. lysogeny B. burst cycle C. lytic cycle D. slow-release cycle