BIOLOGY MIDDLE SCHOOL

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

Answers

Answer 1
Answer: The amount of yeast, sugar and volume of water used - to ensure the results are unbiast. ONE of the things above should be changed, to ensure there are differences that occur, but the other two must be maintained.

Related Questions

Why is osmosis important to cell function???????
What organelle reforms around the chromatids at opposite ends of the cell ?A. CentrioleB. VacuoleC. ChloroplastD. Nuclues
Everglades National Park has a very large population of white-tailed deer. Which of these changes within this habitat is MOST LIKELY to harm only weaker, older deer, but not younger and healthier deer?A) a drought which decreases the food supply B) a slight increase in the Florida panther population C) a fire that burns thousands of acres of the Everglades D) a large increase in the number of cars driving through the Everglades
When a piece of zucchini is soaked in salt water, the zucchini breaks down and loses its firmness. Which best explains what happened
Does natural and sexual selection also apply to the species of man? Motivate, positive and negative consequences.

Hours of daylight and nighttime are equal during the??

Answers

I think it is Equinox 

Which activity is considered a baseline activityA.sprinting to catch a bus
B.putting away groceries
C.walking to a friend's house
D.mowing the lawn

Answers

The answer to the question stated above is letter C.walking to a friend's house.

Walking to a friend's house is considered a baseline activity. What are baseline activities?Baseline activities are those light-intensity activities of daily life, such as standing, walking slowly, and lifting lightweight objects. Most of this people who only do baseline activities are considered to be inactive.

Final answer:

The b. Putting away groceries is considered a baseline activity, which is a low-intensity activity that helps maintain overall fitness.

Explanation:

Baseline activity typically refers to the normal or expected level of activity in a system, often used in medical or scientific contexts. It serves as a reference point for assessing changes or deviations. For instance, baseline activity in brain scans helps detect abnormalities by comparing them to the typical neural functioning of a healthy individual.

The activity that is considered a baseline activity is putting away groceries. Baseline activities are activities that are relatively low in intensity and can be sustained for a long period of time without excessive fatigue. These activities help maintain a person's overall level of fitness and are essential for a healthy lifestyle.

Learn more about Baseline Activity here:

brainly.com/question/12645580

#SPJ6

A true-breeding pea plant with green seeds is crossed with another true-breeding pea plant with green seeds. What kind of seeds will the offspring have?A, yellow seeds


B, green seeds


C, yellow-green seeds


D, some of each color

Answers

C. yellow-green seeds

Which is not a kingdom in the Eukarya domain?A. Archaes
B. Protisto
oc rungi
D. Plantae

Answers

Archaea, they’re prokaryotes

Which is a process involved in the formation of sedimentary rock?extrusion

intrusion

compaction

Answers

COMPACTION.

Sedimentary rock is a rock formed by layers of sediments settling down together forming one solid rock.


Hope it helped,

Happy homework/ study/ exam!

Four basic processes are involved in the formation of a clastic sedimentary rock: weathering (erosion)caused mainly by friction of waves, transportation where the sediment is carried along by a current, deposition and compaction where the sediment is squashed together to form a rock of this kind.

Which of the following is a physiological adaptation?

Answers

The correct answer to the question above is the hyoid bone adapted for roaring. The hyoid bone that being adopted by an organism for roaring is one of the physiological adaptation that can happen. Physiological adaptation permits an organism to perform special functions according to the environment. 
Other Questions
Which of the following organelles have a transport function?A. ribosome and Golgi apparatus B. endoplasmic reticulum and Golgi apparatus C. endoplasmic reticulum and mitochondrion D. ribosome and mitochondrion
Bobby has labeled the following diagram of a cell. His science teacher tells him it is perfect except for one error. Evaluate the diagram and choose the option that describes how Bobby's diagram can be corrected cell membrane nucleus cell wall cytoplasm The cell membrane should be the outermost layer of the cell The cell does not have a cell wall, only a cell membrane This type of cell does not contain a nucleus This type of cell does not contain cytoplasm.
Fossils can reveal which of the following about a species or organism? the microscopic features of the organism the appearance of the organism and its structures the growth stages of the organism's species how the organism interacted with other organisms
Why is the apparatus left for 15 minutes at each new light intensity before starting measurements