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
Lesechka [4]
3 years ago
10

I am trying to enter the NYCEF science fair and I need a project plan for my research class. I want to do a study on antibacteri

al resistance but I don't know but I don't know what the independent variable would be and what can be tested. Can someone pleaseeeeeeeeee help me and let me know what I can collect I really need help with this.
Biology
1 answer:
astra-53 [7]3 years ago
3 0

Which brand of hand sanitizer has more efficacy Purell 2x, Germ-x, and Publix Hand Sanitizer.

You might be interested in
NEED ANSWER FAST!!!!
Snezhnost [94]
I believe the answer is B predicts impact on coastal populations 
please let me know if I'm incorrect
 
7 0
3 years ago
Please help I’ll give brainliest
VLD [36.1K]
Answer: 17
The atomic number is the number of protons, neutrons, or electrons a cell has in its original form
6 0
2 years ago
The characteristic of a cell membrance that allows materials to pass through it is called ___
sergey [27]

Answer:

B

Explanation:

Permeability is the property of a cell membrane that allows materials to pass through.

5 0
3 years ago
Explain how the texture of a rock surface affects how fast it physically weather by water.
sergey [27]

Answer:

A rock's exposure to the weathering elements and its surface area can affect its rate of weathering. Rocks that are constantly bombarded by running water, wind, and other erosion agents, will weather more quickly. Rocks that have a large surface area exposed to these agents will also weather more quickly.

Explanation:

Properties of the Parent Rock ;

  • The mineralogy and structure of a rock affects it’s susceptibility to weathering.
  • Different minerals weather at different rates. Mafic silicates like olivine and pyroxene tend to weather much faster than felsic minerals like quartz and feldspar. Different minerals show different degrees of solubility in water in that some minerals dissolve much more readily than others. Water dissolves calcite more readily than it does feldspar, so calcite is considered to be more soluble than feldspar.
  • A rock’s structure also affects its susceptibility to weathering. Massive rocks like granite generally to not contain planes of weakness whereas layered sedimentary rocks have bedding planes that can be easily pulled apart and infiltrated by water. Weathering therefore occurs more slowly in granite than in layered sedimentary rocks.
4 0
3 years ago
Describe how the integumentary system responds to differences in sunlight
Mama L [17]

The integumentary system (skin) reacts different on different sun intensity (different length exposure to sun).

For example, moderate exposure to the sunlight contributes to the production of melanin and vitamin D by the body. On the other hand, high exposure to sunlight can have negative health effects such as sunburn, which is an inflammatory response to DNA damage caused by UV radiation.  


5 0
3 years ago
Other questions:
  • 1. Cells that protect the body by engulfing foreign cells or producing antibodies are
    7·1 answer
  • Which of these characteristics applies only to cardiac muscle tissue?
    9·1 answer
  • What do artists and scientists have in common
    8·1 answer
  • The permanent cessation (stopping) of menstrual cycle is known as
    14·1 answer
  • Between 1960 and 2010 the concentration of co2 in the atmosphere increased by
    6·1 answer
  • What is the difference between phreatomagmatic eruption to phreatic eruption??
    9·1 answer
  • What the different between growth in plant and growth in animals​
    6·1 answer
  • What does it mean if something is pure-breeding for a trait?
    6·1 answer
  • I GIVE BRAINLIEST <br><br> Both question please.
    9·1 answer
  • How did telephone invention changed the world​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!