janeroseigele
janeroseigele janeroseigele
  • 27-02-2020
  • Biology
contestada

classes of pteridophytes​

Respuesta :

melissabombara melissabombara
  • 27-02-2020

Answer:

There are four classes, namely:

Psilopsida.

Lycopsida.

Sphenopsida.

Pteropsida.

Explanation:

Answer Link

Otras preguntas

simplify this algebraic expression: y-3/3+12
Radon-219 has a half-life of about 4 s. After 20 s, how many milligrams of a 500 mg sample will remain? 435.3 mg 211.6 mg 31.3 mg 15.6 mg Help please I’ll make
Find the largest prime factor of 309^2 - 147^2.
Round 3504 to 3 significant figures
An important part of Article VI in the Constitution is the Full Faith and Credit Clause. Supremacy Clause. Privileges and Immunities Clause. Enslaved Persons C
Isabel, a calendar-year taxpayer, uses the cash method of accounting for her sole proprietorship. In late December she received a $20,000 bill from her accounta
Jack uses triangles in the construction of bridges, such as the one shown below . What is the measure of Angle g
vertex of the quadratic function y= -2(x+3)^2+5
Caitlin bought 6 cookies for a total of $10. At this rate, what is the cost of 9 cookies?
6. How doesa vaccine work?those who tell me the first answer i will mark as brainlistand vote +thanks and i will follow just now​