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
Mariana [72]
3 years ago
7

True or false: in a chemical reaction matter cannot be created or destroyed.

Biology
2 answers:
never [62]3 years ago
6 0
If ur teacher says that matter and energy r the same den it will be true bc u can't destroy energy
(Had many teachers who said it was the same and some that didn't)
il63 [147K]3 years ago
3 0
Pretty sure its truth / no edit here
You might be interested in
Carbon and fluorine combine covalently to form a binary compound. What is the formula of the compound with the name carbon tetra
Cerrena [4.2K]

Carbon and fluorine combine covalently to form a binary compound. the formula of the compound with the name carbon tetrafluoride is CF4.

3 0
3 years ago
Read 2 more answers
What type of rock is formed when rock is buried and exposed to intense heat and pressure? A. Igneous rock B. Sedimentary Rock C.
Nata [24]
I think it's metamorphic, but not sure.
6 0
3 years ago
Read 2 more answers
Pria's radio produces 80 useful energy units for every 100 units of electricity used. The efficiency of the radio is _____.
a_sh-v [17]
80%

hope this helps.
my sister is called pria too lol :)
8 0
3 years ago
Read 2 more answers
Describe how FISH can be used to determine which cells within a microbial community are actively degrading toluene. Assume the g
ale4655 [162]

Answer:

First, you need to retrieve the FASTA sequences of the already sequenced genes. After that, you should make a sequence alignment on a software like CLUSTALW (https://www.ebi.ac.uk/Tools/msa/clustalw2/) to seek for the conserved regions of the gene. Based on this regions, you will design your FISH probe, which for bacteria can start in 33 bp (Ming Tan <em>et al.</em>, 2019), but a 200 bp probe is a very suitable size. There are several companies that fabricates this custom probes, and sell all the reagents to perform the experiments. Having this, you will perform your FISH experiment to see which cells are actively degrading Toluene.

Explanation:

4 0
3 years ago
Which of these actions is a sustainable agricultural practice
nexus9112 [7]

Answer:

A. Cultivating crops that require less water

Explanation:

A sustainable agriculture practice is one that reduced the impact of that human activity on the environment.

A. Cultivating crops that require less water is certainly one sustainable practice because it respects the environment.

B, C and D answers are NOT sustainable practices and put in danger the reserves of water people will need to drink.  On top of that, B and C would generate pollution for the transport.

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following statements about government sanctioned activities to restore ecosystems is true? its on ED2020
    6·1 answer
  • Crabs, lobsters and shrimp are all classified as
    14·2 answers
  • The breakdown of starch produces which of the following?
    14·1 answer
  • Human pregnancy is indicated by the presence of chorionic-gonadotropin metabolites in the urine until _____.
    15·1 answer
  • What is the "central dogma"?
    9·1 answer
  • When energy is needed and adequate oxygen is available, pyruvate is converted to
    8·1 answer
  • Penicillin fungi are an example of _________.
    10·1 answer
  • Which of the following can occur around a subduction zone?
    6·1 answer
  • Which of the following is the most responsible force driving the water cycle?
    14·1 answer
  • Fungi reproduce in a variety of ways. Which of these is a way that fungi reproduce?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!