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
Vsevolod [243]
3 years ago
5

2) Trilobites are useful as index fossils, because each species existed for a...

Biology
1 answer:
Licemer1 [7]3 years ago
5 0

Trilobites are found worldwide and evolved rapidly, making them easily distinguishable from trilobites of other time periods

You might be interested in
All the iron molecules that are in your body were originally created by____
kondaur [170]

I think the answer is B - a star! Hope this helps!

3 0
3 years ago
Read 2 more answers
A farmer ,sangay , plants chilli in the first year .He than plants beans in the same field next year ..
Gnom [1K]

Answer/Explanation:

Chilli and Beans are two different groups of crops having different nutrient requirement for them to grow well.

Beans is a leguminous crop that can help fix nitrogen back to the soil after the soil nitrogen content has been depleted by crops that use up nitrogen in the soil.

So, one of the possible reasons why Sangay plants Chilli the first, and beans the next year could be to ensure optimal productivity, as beans would replenish the soil with nitrogen. Also, both crops have different nutrient requirement. Nutrient requirement for both crops vary.

3 0
3 years ago
Blood-sugar levels are regulated by two hormones. Insulin acts to decrease blood-sugar levels; glucagon acts to increase blood-s
BabaBlast [244]
Ingesting a meal will increase your sugar levels, so you need more insulin released to combat that.  There will be more insulin released in your body and less glucogon.
6 0
3 years ago
Which substance is a compound? <br> salt <br> phosphorus <br> sulfur <br> oxygen
tankabanditka [31]

Answer: The correct answer is salt.

A compound is a chemical substance which is formed by the combination of two or more elements, joined together in a fixed proportion.

Salt is a chemical compound which is formed by the reaction of an acid with a base. For example- NaCl ( sodium chloride) is a common salt. It is formed by the combination of two elements. Therefore, salt is a compound.

On the contrary, Phosphorous (P), sulfur (S) and Oxygen (O₂) are composed of a single element. Therefore, they are not compounds.

Thus, the correct answer for the compound is Salt .


8 0
3 years ago
Read 2 more answers
Please help
Bogdan [553]

Answer:

Protozoans can be parasitic. Malaria is the most significant of the protozoan parasites that infect humans. Malaria is found in tropical and sub-tropical regions of the world. In addition, tropical countries are often affected by poverty, poor sanitation, and inadequate medical facilities. These factors often increase the transmission of parasitic diseases.

5 0
3 years ago
Other questions:
  • An enzyme-catalyzed reaction was run at five different temperatures (trials 1-5). The results are shown in the data table above.
    13·2 answers
  • How much weight can you lose fasting for 24 hours?
    15·1 answer
  • Which of the following best summarizes the reason living things depend on oxygen? Question 6 options: Oxygen is an element of wa
    13·1 answer
  • A diagram that shows that energy in each tphic level of an ecosystem is called
    10·1 answer
  • Which two characteristics do all animals have?
    8·2 answers
  • Mosses and other bryophytes are quite short, while many ferns, cone-bearing plants, and flowering plants can grow quite tall. Wh
    15·1 answer
  • All the following statements about uncontrolled cellular division are true EXCEPT
    11·1 answer
  • 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
  • Describe the interactions between organisms within an ecosystem. Give an example of a specific relationship that organisms may h
    8·1 answer
  • 1
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!