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
Furkat [3]
2 years ago
12

Christopher Columbus used the presence of suspended seaweed in the ocean to

Biology
1 answer:
Alecsey [184]2 years ago
5 0
Your answer is d he saw brown algae
You might be interested in
Which microscope is often used to view metal surfaces? scanning electron microscope scanning tunneling microscope transmission e
bija089 [108]

The correct answer is option (a) Scanning tunneling microscope.

Microscopes are used to see the objects at molecular level. Scanning tunneling microscope( STM) is a type of optical microscope that uses optics(light) and lenses to see the enlarged size of the object. This microscope use a small metal tip under a high voltage. when this tip of microscope is brought close to the metal, the metallic tip of microscope draws electrons from the atom (metal) to be observed. This generates an electric current. There is a computer system attached to the microscope that detects the change in the electric current. Computer plots the change in position of atoms in metal.







4 0
3 years ago
Read 2 more answers
(SCIENCE)
LiRa [457]
C. according to Earth's existing magnetic field. 
4 0
3 years ago
Read 2 more answers
Van Helmont did experiments on
Natali [406]

Answer:

A. Water

Explanation:

Van Helmont concluded that most of the mass the plant gained had come from water, because that was the only thing that he had added to the pot. Van Helmont's experiment accounts for the "hydrate," or water, portion of the carbohydrate produced by photosynthesis.

3 0
2 years ago
1. Explain how parents and offsprings can become different from eachother.
Fudgin [204]

Answer:

In asexual reproduction all the genes in the offspring come from one parent. In sexual reproduction one full set of the genes come from each parent. Living things produce offspring of the same species, but in many cases offspring are not identical with each other or with their parents.

Explanation:

5 0
2 years ago
Which aquatic ecosystem on the map below would have the highest biodiversity?
Keith_Richards [23]
Which is the choosing?
4 0
3 years ago
Other questions:
  • Derek met with an accident that caused severe damage to his cerebellum. in the context of the organization of the brain, derek i
    7·1 answer
  • What happens if: the concentration of water in the soil is less than that in
    9·1 answer
  • What is the basis of the metric measurement system?
    6·2 answers
  • A scientist receives a seed sample from a plant growing in an unknown location and discovers that prolonged cold treatment is ne
    7·1 answer
  • Plz help asap 15 points plz plz plz
    12·2 answers
  • How is the rate of diffusion affected by:
    7·1 answer
  • Calculate the mass of glucose metabolized by a 78.8 kg person in climbing a mountain with an elevation gain of 1570 m . Assume t
    11·1 answer
  • What would happen if your heart valves stopped working?
    5·1 answer
  • Which of the following is NOT one of the four most common elements found in food?
    9·1 answer
  • Some people worry that the increasing number of cell phones will cause cancer because of the energy of the radio waves they emit
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!