1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
NARA [144]
2 years ago
11

If you were making observations of someone mixing two substances together, how would you know if a chemical reaction took place?

Biology
1 answer:
bezimeni [28]2 years ago
5 0

if you were making an observation of two substances, The five conditions of chemical change would be color chage, formation of a precipitate, formation of a gas, odor change, temperature change. i hope this helps

You might be interested in
Will give 20 points!
Savatey [412]
Answer D. Because the DNA is different
5 0
3 years ago
Read 2 more answers
Which best shows how taxonomy can help us understand the evolutionary relationships among species.
MakcuM [25]
Physical comparison of species
4 0
2 years ago
Could you find the genotype and phenotype of the parents of three children that have blue eyes?
lara [203]

Answer:

the pheno type is the blue eyes whilst the genotype could possibly be for example AA or Aa. The phenotypes for the parents would be either AA or Aa

Explanation:

6 0
3 years ago
Which best describes a bird’s role as it eats seeds?
DedPeter [7]
They use their beaks and they push down really hard to stick it 
6 0
3 years ago
Before scientists learned how to make artificial fertilizers, what key process limited the amount of nitrates available to plant
zavuch27 [327]
I believe rottening would be the answer. Rotting, dead plants and animal feaces make great fertilizers. 
6 0
3 years ago
Other questions:
  • In a changing environment, which organisms have an advantage—those that reproduce asexually or those that reproduce sexually? Ex
    6·1 answer
  • A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
    7·1 answer
  • According to Darwin’s theory of natural selection, the individuals that tend to survive are those that have?
    15·2 answers
  • Memories result in the formation of new neurons. true or false
    7·2 answers
  • Complete the statement.
    10·2 answers
  • Can someone help me. Idk if I’m just stupid but my brain won’t let me understand this question even if I read it out loud
    6·1 answer
  • How do spores survive even after the plant has died?
    9·1 answer
  • Identify the types of genetic recombination.
    10·2 answers
  • 21 POINTS
    5·2 answers
  • Which statement about food production since 1960 is true?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!