Photosynthesis is a chemical reaction that involves the production of glucose (sugar) from carbon dioxide and water in the presence of sunlight. Photosynthesis is what kind of reaction?

A. exothermic

B. endothermic

C. decomposition

Celery stalks that are immersed in fresh water for several hours become stiff and hard. Similar stalks left in a salt solution become limp and soft. From this we can deduce that the cells of the celery stalks are a.

What is a major disadvantage of environmental science?

Which law states object's will remain at rest or in a uniform motion in a straight line unless acted upon by an external unbalanced forces? A. Newton's first law B. Newton's second law C. Newton's third law D. Newton's law of universal gravitation.

The density of a population is the A. number of individuals in a defined area. B. amount of food available for each individual. C. average mass of the individuals in the population. D.

The carp fish has 104 chromosomes in its body cells. when the fish's body cells divide by mitosis, how many chromosomes will each daughter cell have?

What is the concentration of KCl if 10 g are dissolved in enough water to make 12 L?

10. The kidney is an organ that collects wastes and excess water from the blood and sends them to the bladder where they are stored before being removed from the body.

3) In regards to sunspot activity, we are presently ...

Which inheritance pattern results when parents are crossed for pure traits and the resulting offspring have traits tha blend? O incomplete dominance O codominance O Mendelian inheritance O polygenic inheritance

How many different species are there? kings and kigdoms