au cours de son histoire l'univers a t il changé de composition ?

By: USER4622
26 Agustus 2025 physique-chimie 5 minutes
4.5
65 views 65 comments 15 shares
Responsive Ad Header

Question

Grade: Education Subject: physique-chimie
au cours de son histoire l'univers a t il changé de composition ?
Asked by:
65 Viewed 65 Answers

Answer (65)

Best Answer
(235)
bonsoir l'espace et vide il n'y a pas de matière il ne peut pas changer de composition, la réponse varie selon ta classe si tu est en 3ème tu peut parler des supernova 

vérifie la réponse en cas surtout si le devoir et noté 
Answered on 26 Agustus 2025

Related Articles

buna ajutatima si pe mine la o problema la romana
cu s-a s-au ne-a i-a i-au

102 views 102 comments

1. Mention 3 expression of asking for clarificaton.
2. Mention 3 expression of giving responses of someone asking for clarification.

138 views 138 comments

alcatueste o poezie cu perechile de rime sosit-inveselit, grdina-lumina, zare-calatoare, tara-primavara, lunga-alunga, floare cantare

139 views 139 comments

cuvinte care sa conțină ea și ie

32 views 32 comments

Cate numere de forma 7ab sunt divizibile cu 2 ? Dar cu 5 ? Va roggg rapid dau coroana

91 views 91 comments

Help please


a)If Sam's father monthly salary is $3,330, what is his annual salary?

b) Bill sold his dog for $78. In doing so, he made a profit of $26. How much did Bill pay for the dog?

160 views 216 comments

Noteaza intelesul cuvintelor colorate in spatiul alaturat. Dan #a luat# calificativul fb. Pinocchio #si-a luat inima in dinti# si a intrat la circ. Dora #si-a luat angajamentul# ca va scrie tema

160 views 197 comments

redacteaza o invitatie adresata colegilor din scoala ta prin care sa ii inviti la spectacolul orgnizat cu ocazia zilei educatiei
       dau coroana

160 views 164 comments

Identificati personalitati in urmatoarele domenii:
-literatura
-arta
-muzica
-inventica
-medicina
-sport
-politica

156 views 156 comments

Diketahui vektor a= (x -1 2) dan b=( 4 2 -4) sudut a dan b adalah 180 derajat, nilai x adalah?

94 views 94 comments

Bonjour j'aurais besoin d'aide s'ils vous plait pour une question
Quelle sont les limites de la resistance ? merci beaucoup

130 views 130 comments

Bonjour que pouvez dire de 11-3x et de 3x+11, merci d'avance

60 views 60 comments

Bonsoir pouvez vous m'aider svp
Développe et reduis ces expressions


A = (a + 6) au carré)

B = (t + 10) au carré)

C = (1 + p) au carré)

D = (x + 1.1)au carré)


Merci de votre aide et bonne soirée à vous

160 views 277 comments

găsiți adjective pt substantive : zăbranic, văi

48 views 48 comments

What type of ribbon should I use to avoid getting a 'ribbon out' error on my Zebra ZM400 printer?

97 views 97 comments