During photosynthesis, plants transform the energy in sunlight into chemical
energy by converting molecules of carbon dioxide and water into sugar and
oxygen molecules. What are two reasons scientists might use a model to
represent what happens during photosynthesis?
A. The molecules involved in photosynthesis are too small to see
with an optical microscope.
B. It is too dangerous to study the plants in which photosynthesis
occurs.
I c. Photosynthesis is too complex to be able to use experiments to
learn how it works.
D. The steps of photosynthesis occur too quickly to show each one
as it happens.

Please help me I don't understand this. Please help me with my homework i woke up really early cadn cant think that well. The protective layer of cells of the outer epidermis is called the The following statement is TRUE about Lean A. Lean means forcing people to work faster and harder with fewer resources. B. Lean is about improving processes. All businesses have processes, so all businesses can improve and benefit from adopting lean. C. Just-In-Time is when parts/supplies arrive at the last possible moment. D. Lean is all about cost-cutting and results in much of the workforce getting fired. E. Lean will cost a lot of money to introduce in an organization. Find the diameter of a circle with circumference 44 cm Pass compos, Imparfait, Plusqueparfait ensembleUne soire la Chasse-Galerie Chaque mercredi soir, les tudiants (1) __ (avoir) lhabitude de sortir la Chasse-Galerie qui (2) __ (tre) un bar tudiant qui (3) __ (se situer) sur le campus de luniversit. Ces soirs-l, ce/c (4) __ (tre) toujours une grande fte. Un mercredi soir, Jeremy et ses camarades de classe (5) __ (arriver) trs tard au bar parce quils (6) __ (devoir) tudier beaucoup pour lexamen du lendemain. Ils (7) __ (faire) les derniers devoirs et (8) __ (reviser) toutes les notes que leur professeur leur (9) __ (donner). leur arrive, plus de deux cents tudiants (10) __ (tre) prsents. Certains (11) __ (chanter), dautres (12) __ (prendre) de la bire et (13) __ (bavarder). Il y (14) __ (avoir) une vritable ambiance de fte! Sans perdre une minute, Jeremy (15) __ (commander) quelque chose boire. Ensuite, il (16) __ (sinstaller) dans un coin avec des amis. Soudain, il (17) __ (voir) la jolie jeune fille quil (18) __ (rencontrer) la semaine davant. Il lui (19) __ (parler), et, comme elle (20) le __ (trouver) si gentil, elle (21) __ (sasseoir) avec lui et ils (22) __ (passer) la soire lun ct de lautre bavarder. Des mois plus tard, on (23) __ (apprendre) que ce soir-l, la vie de Jeremy (24) __ (changer) radicalement. Il (25) __ (continuer) de frquenter cette fille qui (26) __ (venir) elle aussi de Toronto et, quelques annes plus tard, ils (27) __ (se marier). Lautre jour, Jeremy (28) __ (me envoyer) un courriel pour mannoncer que leur premier bb, un petit garon, (29) __ (natre) il y a un mois. On peut dire quil (30) __ (sen passer) des belles choses lcole internationale de franais! Part A: Daija is a member of her schools soccer team. The team is raising money to buy new uniforms. The team set a goal for the total amount of money hey need to raise in order to buy the new uniforms. Over the last two weeks, the team has raised 675$, which represents 75% of heir goal. What is the teams goal for the total amount of money, in dollars, they need to raise in order to buy new uniforms? A. 506 B.750C.900D.2,700Part B: of the 675$ raised so far by the team to buy new uniforms, 40% of the money was donated by local businesses. How much total money, in dollars, has been donated so far by local businesses? A vehicle rental company charges $35 to rent a moving van plus $.40 for each mile traveled. Which expression represents the total cost of renting a van and driving d miles? *A. 35 + dB. 35 + 0.40dC. 35 0.40dD. 35d + 0.40 Find the missing factor.2x^2 + 11x + 15 = (x + 3)() Subjuntivo46. Es importante que Uds. una comida equilibrada.a. comen b. comiendo c. comanespaol en la clase.47. La profesora quiere que nosotrasa. hablar b. hablemos c. hablando48. La instructora exige que la clasea. comience b. comenzea las 7:55 amc. comenzaradnde voy.49. Mis padres siempre quieren que yo lesa. dice b. diga c. digo50. Mi hermanita quiere que nosotrascon ella.a. juguemos b. jugemos c. juegemos Question 3 of 10The two lines graphed below are parallel. How many solutions are there to thesystem of equations?55+O A. TwoB. OneO C. Infinitely manyD. Zero The Law of Conservation of Mass is a scientific rule that says:Amass can be made or lost during a chemical reactionBmass is never made or lost during a chemical reactionCall matter will decompose during a chemical reactionDbaking a cake is not actually a chemical reaction Watersheds can vary in size?TrueFalse Materiel is another word for:A. Spent ammo casings/shells.B. Military materials and equipment.C. Military personnel.D. Facilities that hold supplies. A cylinder has the diameter 4 cm and is 3 cm high. What is the volume of the shape(approximately)?multiple choice question 28cm, 38cm , 13cm 146cmPlease hurry the law of conservation of matter state that Of the 60 books on a bookshelf,24 are non-fiction.what percent of the books are non fiction.fiction? How can you revise this paragraph to expand the variety of sentence patterns? Mice, gerbils, and rats are all rodents. Cats, foxes, and hawkshunt rodents. Grain, nuts, and berries are rodents' favorite foods. solve for b using the pythagorean theorem SOMEONEEEE PLZ HELPPP Which of the following statements correctly describes the genetic material inside a virus?A.Has DNA or RNA, never bothB.Never has DNAC.Never has RNAD.Has both DNA and RNA