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
In-s [12.5K]
3 years ago
11

Can anyone help with one or two of these questions? ill give brainliest

Biology
1 answer:
Marianna [84]3 years ago
6 0

Answer:

1.  1.00(1/2)^151/30.2= 31.3 g

2. 24g-->1.4 g = 4 half-lives, so 4*5730= 22920 years

3.  64g-->2.0g = 5 half-lives, so 12.5/5= 2.5 hours

You might be interested in
Cytoskeleton prefix and suffix
Shalnov [3]

Prefix: -cyto

Suffix: cyte-

Hope this helped!

6 0
3 years ago
Behavioral ecology is based on which premise?
Sloan [31]

Answer:

option c)

Explanation:

the correct option is option c)

behavioral ecology is the study of behavior of interaction of the individual with the different community or society.

behavioral ecology  study evolutionary behavior of species under ecological pressure.

if any organism has natural advantage in the ecosystem then natural selection favors them.

so, behavioral traits are subject to natural selection.

5 0
3 years ago
Horses and zebras can be bred to produce a zorse, which is infertile. Which is most likely the reason zebras and horses are cons
andrew11 [14]

Answer:

The correct option is B) Their offspring cannot breed.

Explanation:

Organisms belonging to the same species require the ability to breed and produce fertile offsprings. If two organisms breed to produce infertile offsprings, then they are not considered to belong in the same species. Infertile offsprings do not have the capability to reproduce. The breeding between a horse and a zebra produces zorse, which is sterile. This depicts that both the zebra and horse belong to different species as they cannot produce a fertile offspring.

4 0
3 years ago
According to the food and nutrition board (fnb) of the national academy of sciences, ______ of kilocalories should come from pro
DanielleElmas [232]
According to the Food and Nutrition Board, of the National Academy of Sciences, 10% to 35% of kilocalories should come from protein. 
There are six classes of food, but the three majors ones, that are require in large quantity are carbohydrates, proteins and fats and oils. The Food and Nutrition board gave recommendation about the quantity of these classes of food that should be taken on a daily basis. It is recommended that, 45% to 65%  of kilocalories should come from carbohydrates while 20% to 35% come from fat.
8 0
3 years ago
__________ are found in BOTH viruses AND in living single-celled organisms, such as protozoans and bacteria.
vivado [14]
You could say DNA is found in both viruses and in living single-celled organisms because DNA is necessary to replicate itself.
7 0
2 years ago
Read 2 more answers
Other questions:
  • What structures allow small particles to cross cell membranes
    14·2 answers
  • Why are flowers dicots ?
    7·1 answer
  • Which of the following statements regarding secretory protein translocation is NOT true? Hydropathy profiles are used to computa
    5·1 answer
  • The genotype represents _____. a paired combination of genes either a dominant or recessive gene a given phenotype two alleles
    15·2 answers
  • Please help don’t understand
    13·1 answer
  • What is the energy of the hydrogenion gradient created across the inner mitochondrial membrane use to make
    8·1 answer
  • A water repellent protein that divides into hard and soft types.
    8·1 answer
  • What is the overall purpose of meiosis?
    13·1 answer
  • Which renewable energy source do you think would be best to develop first
    15·1 answer
  • Which description best represents the organelle; Nucleus
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!