Archive month

March 2026

38,789 public questions were asked this month.

← Feb 2026

By day

Daily archive

1 174 2 1,706 3 2,741 4 2,486 5 2,086 6 1,839 7 243 8 234 9 1,760 10 1,759 11 1,610 12 1,851 13 1,313 14 112 15 88 16 1,178 17 1,267 18 1,247 19 1,259 20 830 21 146 22 206 23 1,787 24 1,470 25 2,060 26 1,756 27 1,478 28 176 29 188 30 1,875 31 1,864

Recent questions

Latest from March 2026

During the life cycles of stars, hydrogen and helium are converted into heavier elements such as carbon and oxygen. Which of the following types of reactions causes these conversions? A. fusion B. convection C. nebular D...
Asked by j 1 answer
The smallest particles that make up matter A. can be seen with the unaided eye only at certain temperatures. B. are about the size of pinheads. C. are about the size of marbles. D. are too small to be seen with the unaid...
Asked by krmnf 1 answer
The data below were collected by scientists testing the force of gravity between two objects. Distance (m) Mass 1 (kg) Mass 2 (kg) Force (N) 0.10 100 150 0.00010 0.10 150 150 0.00015 0.10 100 300 0.00020 0.10 200 200 0.0...
Asked by FEWF 1 answer
The diagram below shows the life cycle of a "typical" star. In which stage will the star be characterized by nuclear reactions that produce all of the major elements on the periodic table up to iron? A. protostar B. inte...
Asked by j 1 answer
Neutrons are neutral. This means that A. neutrons are neither acidic nor basic. B. neutrons do not have a charge. C. neutrons do not have mass. D. neutrons are not involved in chemical reactions.
Asked by krmnf 1 answer
Scientists are observing and recording data for two different planets, planet X and planet Y. Each planet orbits a different star. The planets have the same mass. The scientists record the following data. Star X – Planet...
Asked by FEWF 1 answer
Nucleosynthesis is the process in which nuclei fuse together to form different elements. The table summarizes nucleosynthesis in stars. Life Stage Main Nucleosynthesis Process main sequence Hydrogen is fused into helium....
Asked by jdjadn 1 answer
The table below describes processes that occur in stars at different stages of their life cycle. Life Stage Average Star Massive Star main sequence Hydrogen fuses into helium. Hydrogen fuses into helium. giant or supergi...
Asked by j 1 answer
The picture shows a model of a helium atom and a model of a lithium atom. Which of the following statements is true about the lithium and the helium atoms? A. Helium has more protons, neutrons, and electrons. B. Lithium...
Asked by krmnf 1 answer
How was the executive approach towards addressing the Great Depression different amongst President Herbert Hoover and President Franklin Roosevelt? Read p.101 President __________________ believed the states should provi...
Asked by ericsson 1 answer
Which statement best describes the gravitational force between two objects? A. The objects repel each other only if they have very different masses. B. The objects always repel each other. C. The objects always attract e...
Asked by FEWF 1 answer
Nucleosynthesis is the process in which nuclei fuse together to form different elements. The table summarizes nucleosynthesis in stars. Life Stage Main Nucleosynthesis Process main sequence Hydrogen is fused into helium....
Asked by j 1 answer
The diagram below shows the life cycle of a "typical" star. In which stage will the star be characterized by nuclear reactions that produce all of the major elements on the periodic table up to iron? A. red giant B. main...
Asked by jdjadn 1 answer
The overall charge of the nucleus is A. neutral. B. sometimes positive and sometimes negative. C. positive. D. negative.
Asked by krmnf 1 answer
Which of the following best describes the dust, gas, and celestial bodies of the Milky Way Galaxy? A. They experience gravity only if they have significant mass. B. The farther away they are from the center of the galaxy...
Asked by FEWF 1 answer
Use this reaction to answer the question. CH3CH2OH + 3 O2 → 2 CO2 + 3 H2O Use the table of molar masses to complete the activity. Molar Mass (g/mol) of Hydrogen, Carbon, and Oxygen Element Molar Mass (g/mol) carbon 12.01...
Asked by cool boy 1 answer
Explain the relationship between the environment, variation, and selection. Changing can cause certain traits to be favored through . This can lead to changes in .
Asked by gguttd 1 answer
what is the definition of a physical trade barrier
Asked by Ke'Andre Dixon 1 answer
A person is singing in the shower. They notice that as certain notes become very loud, the shower walls vibrate. Which statement describes this effect? (1 point) The note is one of the natural amplitudes for the shower....
Asked by :3 [SillyAnonymousCat] 1 answer
model of an atom is shown above. The blue dots represent electrons, and the red dot represents the nucleus. This model accurately represents A. that a single atom may have many nuclei. B. that electrons are found everywh...
Asked by krmnf 1 answer
put this in 10 grader levelBoth the Treaty of Versailles and the Great Depression were important causes of the interwar collapse of liberal democracy and the rise of authoritarian regimes, and they helped set the conditi...
Asked by aubrey 1 answer
Which of the following describes a major role of gravity in star formation? A. Gravity compresses gases at the center of a solar nebula until temperatures are high enough for nuclear fusion to occur. B. Gravity causes an...
Asked by j 1 answer
Which of the following statements best analyzes challenges that are specific to the future of the African continent?(1 point) Responses By 2030, almost half of the world’s population are expected to live in countries aff...
Asked by a 1 answer
When a guitar string is plucked, what part of the standing wave is found at the fixed ends of the string?(1 point) the harmonics the antinodes the nodes the resonance
Asked by :3 [SillyAnonymousCat] 1 answer
Which of the following expressions is equivalent to 3(x + 4) + 2x? 5x + 12 3x + 6 5x + 4 3x + 12
Asked by hey arnold 1 answer