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
olga_2 [115]
2 years ago
14

I need help with these two questions ASAP please

Biology
1 answer:
olganol [36]2 years ago
6 0
Sand c shh ft Kevyn full film just xfjbfi
You might be interested in
Developing countries tend to have high birth rates. why?
Phoenix [80]

Answer:

In developing countries children are needed as a labour force and to provide care for their parents in old age. In these countries, fertility rates are higher due to the lack of access to contraceptives and generally lower levels of female education

Explanation:

5 0
3 years ago
Which of the following would most likely be key to gathering evidence that the RNA World hypothesis is valid?
muminat

Answer:

The answer is; Simulation of early Earth conditions and long-term study of the resulting molecules

Explanation:

It is believed that the first molecules on earth were made spontaneously through reaction spurred by energy from lightning and also the heat from the earth. It is believed that these molecules over time then formed polymers through the catalysis by metals in the oceans. These polymers were able to self-replicate and also act as enzymes since they were able to fold up. This hypothesis was coined by Carl Woese, Francis Crick and Leslie Orgel in the 1960s. To prove it, the then conditions of early earth need to be replicated, data collected, and analyzed.

Read more on Brainly.com - brainly.com/question/2321489#readmore

5 0
3 years ago
With countercurrent flow, diffusion happened in all regions of the filter. explain why
Mandarinka [93]

Counter current involves blood in the capillaries flowing in the opposite direction to the flow of water flowing over them. Gases diffuse faster from one area to another when the concentration difference between the two areas is at its greatest, as compared to when the concentration difference is low.

6 0
2 years ago
¿Qué es la mutación? Las adaptaciones relacionadas con la nutrición, ¿Cuál es la del tipo física? ¿y cuál es la adaptación de co
Nina [5.8K]

Answer:

la mutación es un cambio en el modo genético. El tipo físico de adaptación es un cambio en una parte del cuerpo y el tipo de comportamiento es una respuesta animal a un estímulo externo.

Espero que esto ayude

7 0
3 years ago
A woman was abducted from her lakeside home. The kitchen door was broken and was open, leading to the deck. There were heel mark
Fofino [41]
Perspective sketch is the one I'd choose
3 0
3 years ago
Other questions:
  • What is the second longest bone in the body?
    10·2 answers
  • Which of the following accurately describes a characteristic of fungi?
    7·1 answer
  • Need HELP Asap !!!!
    8·1 answer
  • Describe the process that results in the formation of a tetrad.
    14·1 answer
  • If someone says, "Earth and all of its contents were created for the betterment of human beings, so as long as something is good
    9·1 answer
  • A boundary between nonsedimentary and sedimentary rocks is an example of which type of unconformity?
    9·1 answer
  • What is the origin of each strand of the new double helices created after DNA replication?
    7·1 answer
  • Where do we get glucose from
    6·1 answer
  • What's the difference between artificial selection and genetic engineering?
    15·1 answer
  • Which gas is produced as a result of cellular respiration.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!