Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

problem1) Answer all the problems:

(i) What do you mean by fossier ?

(ii) Distinguish between angiosperm & gymnosperm.

(iii) Briefly describe paleo botany.

(iv) Describe stealer system in pteridophytes.

(v) What do you mean by hederospony.   

problem2) describe some characteristic features of any fossil gymnosperm.

problem3) How paleobotany could be useful in coal and petroleum exploration?

problem4) Describe different techniques used in study of fossils.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M94181
  • Price:- $18

Guranteed 24 Hours Delivery, In Price:- $18

Have any Question? 


Related Questions in Chemistry

How much water must be added to a 500 ml solution of 060 m

How much water must be added to a 50.0 ml solution of 0.60 M HNO 3  to produce a 0.40 M solution of HNO 3 ?

For the reaction between permanganate ion and sufite ion in

For the reaction between permanganate ion and sufite ion in basic solution, the unbalanced equation is: MnO 4 -  + SO 3 2-   MnO 2  + SO 4 2- When this equation is balanced using the smallest whole number coefficients po ...

Potassium sulfate is commonly used in fertilizers an

Potassium sulfate is commonly used in fertilizers. An agricultural researcher in alaboratory measures and weighs a 150.0-g sample of potassium sulfate for herexperiment. The solid sample is dissolved in enough water to m ...

One method to produce nitrogen in the lab is to react

One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3(g) + CuO(s) Cu(s) + H2O(l) + N2(g). After using 40.0 grams of NH3, 15.5 grams of N2are produced. What is the percent yield of nitr ...

Jenny and mark complete a reactivity experiment by placing

Jenny and Mark complete a reactivity experiment by placing samples of metals into water. They initially place small shards of potassium into water and observe that hydrogen gas and potassium hydroxide solution are produc ...

Aluminum displaces cobalt from a 02 m solution of cobaltii

Aluminum displaces cobalt from a 0.2 M solution of cobalt(II) perchlorate. Cobalt does not displace chromium from a solution of 0.2 M chromium (III) nitrate. Aluminum metal does not displace calcium from a 0.2M solution ...

Write three reactions for the oxidation of pyrite and

Write three reactions for the oxidation of pyrite and explain how these can result in the production of acid waters that are enriched in trace metals and metalloids.

In the following problem you must1 determine the correct

In the following problem you must: 1) Determine the correct formula for each reactant and product. 2) Determine the correctly balanced chemical equation. 3) Us the stoichiometry of the chemical equation to answer the que ...

Assume that coal is pure carbon with a density of 1280 kgm3

Assume that coal is pure carbon with a density of 1280 kg/m3 and that the particle is spherical with an initial diameter of 0.015 cm. Air exists several diameters away 1) Nco= ____Noxygen 2) The more fraction of oxygen a ...

The combustion of so2g has keq560x104 at 350 degrees

The combustion of SO2(g) has Keq=5.60x10^4 at 350 degrees Celcius. If 0.350bar of SO2(g) and 0.762bar of O2(g) are mixed initially, what are the partial pressures of each of the three gases when the mixture reaches equil ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro