Archive day

February 10, 2026

1,907 public questions were asked on this day.

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A classmate argues that fossil fuels are the best energy resource in terms of efficiency so the government should not bother developing alternative energy. How can the data in Figure 2 be used to evaluate your classmate'...
Asked by Dra 1 answer
Thylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. What are saber teeth for these organisms? analogous struct...
Asked by jay 1 answer
The formula vw=fβ‹…Ξ» 𝑣 𝑀 = 𝑓 β‹… πœ† describes the relationship between the speed of a wave (vw 𝑣 𝑀 ), and its frequency (f 𝑓 ) and wavelength (Ξ» πœ† ). For example, if a wave has a frequency of 120 Hz and a wavelength of 5m, it...
Asked by Name 1 answer
Which of the following best describes the Amazon Rain Forest? (1 point) Responses It is home to Pampas, a rich and fertile alluvial plain. It is home to Pampas, a rich and fertile alluvial plain. It contains more species...
Asked by :3 [SillyAnonymousCat] 1 answer
From his observations of the animal species on the Galapagos Islands, Darwin concluded that plants and animals ___________. (1 point) Responses cannot change cannot change adapt to their environment over time adapt to th...
Asked by :3 [SillyAnonymousCat] 1 answer
AM waves have a wavelength of approximately 100 meters. FM waves have a wavelength of approximately 1 meter. Which one has a higher frequency? Which one has higher energy?(1 point) Responses FM has a higher frequency and...
Asked by Name 1 answer
Use the properties of operations to write an expression equivalent to 2(k+4)+5. The answer should be in simplest form. What is the constant value (no variables) in the equivalent expression?
Asked by nunya 1 answer
Consider the generalized cladogram of fish. A cladogram is shown. Part A has bones and jaws. Osteichthyes is a group of fish that have the derived characteristics of jaws and true bones. Which letter corresponds to where...
Asked by jay 1 answer
These notes were taken during a class about biological evolution, but the subject title is missing. -results from immigration -new genes brought into a population -variation in a population increases What do the notes de...
Asked by jay 1 answer
During a baseball game, the sound of the bat hitting the ball can be heard in most parts of the stadium. That sound is weaker at greater distances. What is the cause of this phenomenon?(1 point) Responses The sound waves...
Asked by Name 1 answer
The fossil record shows that the average size of black bears was large during cold glacial periods and got smaller during warmer time periods. What is this an example of? directional selection disruptive selection ecosys...
Asked by jay 1 answer
Generate an expression equivalent to: 5 + 6b + 12c + 10b - 4c - 2. In the simplest form of the equivalent expression, what is the coefficient of variable b
Asked by nunya 1 answer
Which environment will you find a pirarucu? (1 point) Responses tree canopy tree canopy river river forest floor forest floor wetland wetland
Asked by :3 [SillyAnonymousCat] 1 answer
Read the excerpt from "The Scarlet Ibis.” When he was two, if you laid him on his stomach, he began to try to move himself, straining terribly. The doctor said that with his weak heart this strain would probably kill him...
Asked by tyler 1 answer
Read the excerpt from β€œThe Scarlet Ibis.” 1 It’s strange that all this is still so clear to me, now that the summer has long since fled and time has had its way. 2 A grindstone stands where the bleeding tree stood, just...
Asked by tyler 1 answer
When a child is suffering from emotional abuse, what might they appear to have symptoms of? (1 point) Responses allergies allergies asthma asthma autism autism attention deficit disorder attention deficit disorder
Asked by kk 1 answer
Which material do the Uros people use to build their homes? (1 point) Responses alluvial mud alluvial mud volcanic rock volcanic rock torora reed torora reed pampas grass pampas grass
Asked by :3 [SillyAnonymousCat] 1 answer
In β€œThe Scarlet Ibis,” Old Woman Swamp is a symbol of to Doodle and his brother.
Asked by tyler 1 answer
Why is energy flow through an ecosystem dependent upon continual energy transformations? short paragraph
Asked by j 1 answer
Which of the following plant species is one of the only plants in the Atacama Desert? (1 point) Responses torora reed torora reed lichens lichens indigo indigo pampas grass pampas grass
Asked by :3 [SillyAnonymousCat] 1 answer
If a child attending a childcare facility is being abused in their life, who should make the report of abuse? (1 point) Responses the supervisor the supervisor the child the child the owner of the center the owner of the...
Asked by kk 1 answer
Explain why lightning strikes can be dangerous even when an individual is not directly struck. short paragraph
Asked by j 1 answer
Read the excerpt from β€œThe Scarlet Ibis.” I thought myself pretty smart at many things, like holding my breath, running, jumping, or climbing the vines in Old Woman Swamp, and I wanted more than anything else someone to...
Asked by tyler 1 answer
Consider the phylogenetic tree of Old World primates. A cladogram is shown. Humans are at the end. Next is chimpanzees and bonobos, then gorillas, then orangutans, then baboons. According to the tree, which primates shar...
Asked by jay 1 answer
Read the excerpt from β€œThe Scarlet Ibis.” But Mama, crying, told me that even if William Armstrong lived, he would never do these things with me. He might not, she sobbed, even be β€œall there.” He might, as long as he liv...
Asked by tyler 1 answer