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
Gekata [30.6K]
3 years ago
6

9)

Biology
1 answer:
katen-ka-za [31]3 years ago
5 0

Answer:

B

Explanation:

At 12 Tommy was walking at 4 mph, then at 12:30 he was walking at 6 mph. He went from 4 to 6 which on a graph would go up, therefore a positive acceleration

You might be interested in
Number eight and nine
Viefleur [7K]
8: this model is similar to a real life model because it shows what you can have in and around your house



9: the way this model can be useful is by helping show how to build your house the way you want it to be and what you would want
7 0
3 years ago
How can mutations affect evolutionary processes? A) Mutations are novel genes that increase an organism’s fitness in the environ
Fed [463]

Answer:

Option C

Explanation:

Option A is incorrect as mutations may be detrimental to the organism and are not always beneficial. Option B is incorrect as there are instances where mutations may enable organisms to be better adapted to the environment. Option D is incorrect as genotypes are not selected for or selected against by environmental pressures, it is only the phenotype (exhibitable/ visible traits) that can be selected for or against, hence option C is the answer.

5 0
3 years ago
In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer
Rainbow [258]

Answer:

B

Explanation:

The soap brands cultivated less bacteria culture than the warm water and hand sanitizer.

7 0
4 years ago
True or False: Alpha-defensins and reactive oxygen species (ROS) are examples of anti-microbial molecules produced by profession
REY [17]

Answer:

The given statement is true.

Explanation:

Alpha- defensins belong to the family of mammalian defensin peptides that belong to the alpha sub family.  Defensins are anti-microbial molecules . They work against Gram positive and Gram negative bacteria, fungi and enveloped viruses. Alpha- defensins functions by attacking the intraluminal bacteria and fungal pathogens.

Reactive oxygen species are very reactive chemicals formed from oxygen. These are anti-microbial molecules. Reactive oxygen species are antimicrobial against Gram-positive and Gram -negative bacteria, viruses and fungi.

Learn more about defensins here:

brainly.com/question/16404467

#SPJ4

8 0
2 years ago
One of the chromosomes in a nucleus has a telomere which contains many repeats of the base sequence TTAGGG.
Verdich [7]

Answer:divied

Explanation:

divided

8 0
3 years ago
Other questions:
  • Based on the graph, how would you BEST describe the speed of the racehorse?
    15·2 answers
  • He use of the isotope 32p as a tracer element in the study of invasion and lysis of bacteria by viruses has shown that
    10·1 answer
  • Atoms that vary in the number of neutrons found in their nuclei are called _______.
    13·1 answer
  • Can you provide an example of a disease that is a result of autonomic nervous system imbalances? Explain.
    14·1 answer
  • What is the sequence of nitrogenous bases in the complementary strand of your original DNA model?
    8·2 answers
  • The webbed feet of a duck true or false?
    10·2 answers
  • Which animal from a eusocial society
    12·1 answer
  • What is antigen?What does it include?What is its function?
    7·1 answer
  • WHOEVER ANSWERS GETS BRAINLIEST
    14·2 answers
  • What is the difference between definite and indefinite articles.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!